This is a list of mercenaries. It includes foreign volunteers, private military contractors, and other "soldiers of fortune".

Antiquity

NameLifeYears activeAllegiance
(Organization)
Comments
Alexon250 BCCarthaginian EmpireGreek mercenary from Achaea who served in the Carthaginian garrison at Lilybaeum while it was besieged by the Romans during the First Punic War. Foiled a plot by Gallic mercenaries to surrender Lilybaeum to the enemy.
Autaritusd. 238 BCCarthaginian EmpireLeader of the Gallic mercenaries in the Carthaginian army during the First Punic War. He turned against Carthage in the Mercenary War and was crucified by Hamilcar Barca after his capture.
Charidemusd. 333 BC367–333 BCAthensGreek mercenary leader who served Athens, Thrace and Rhodes.
Clearchus of Sparta411–401 BCSpartan general and mercenary leader who joined Cyrus the Younger in his attempt to seize the Persian throne from Artaxerxes III.
Diogenes of JudeaHasmonean KingdomJewish soldier in the service of Alexander Jannaeus. In revenge for the support of certain Pharisees for Demetrius III of Syria's invasion of Judea, Diogenes advised Alexander to crucify 800 Pharisee scholars in front of their families.
Memnon of Rhodes380–333 BC334–333 BCFirst Persian EmpireCommander of the Greek mercenaries in the service of Darius III when Alexander the Great invaded Persia in 334 BC.
Mathosd. 237 BC241–237 BCCarthaginian EmpireBerber mercenary leader who fought for Carthage in Sicily during the First Punic War. He later led a revolt against Carthage during the Mercenary War but was defeated by Hamilcar Barca and crucified.
Mentor of Rhodes385–340 BC358–340 BCGreek mercenary who fought both for and against Artaxerxes III of Persia. He is also known as the first husband of Barsine, who later became mistress to Alexander the Great.
NaravasCarthaginian EmpireBerber mercenary leader who served Carthage during the First Punic War. Unlike his fellow mercenaries, he remained loyal to Carthage during the Mercenary War and helped Hamilcar Barca crush the rebel leaders.
Phalaecusd. 343 BCDeposed ruler of Phocis who formed a mercenary army and fought for Knossos in Crete.
Proxenus of Boeotia431–401 BC401 BCFirst Persian EmpireA friend of Cyrus the Younger and Xenophon, he was one of the four ill-fated generals who accompanied Clearchus of Sparta to Tissaphernes.
Pythagoras the Spartan401 BCFirst Persian EmpireSpartan admiral hired to command the first fleet of Cyrus the Younger during his campaign to claim the Persian throne.
Socrates of Achaea436–401 BC401 BCGreek mercenary general from Achaea who traveled to Persia to fight at the Battle of Cunaxa.
Xanthippus255–245 BCCarthaginian EmpireSpartan mercenary general hired by the Carthaginians to aid in their war against the Romans during the First Punic War. Credited for developing military tactics used by Carthage, he led Carthaginian soldiers into the battle of Tunis where the Roman expeditionary force was routed and the Roman consul Marcus Atilius Regulus was captured.
Xenias of ArcadiaFirst Persian EmpireGreek commander of mercenaries in the service of Cyrus the Younger.
Xenophon430–354 BC401–371 BCPeloponnesian LeagueAthenian-born general who served Sparta during the Peloponnesian War.

Medieval

NameLifeYears activeAllegiance
(Organization)
Comments
Arnaud de Cervole1320–1366?-1366Papal States
Kingdom of France
French mercenary soldier and brigand of the Hundred Years' War. He was murdered by his own men while planning with Pope Urban V to lead a new Crusade to the Holy Land.
Bernard Szumborskid. 14701454–1470Teutonic KnightsMoravian knight and who led a mercenary army during the Thirteen Years' War. He was hired by the Teutonic Knights during the Battle of Chojnice and was later sent to relieve the besieged city three years later. Szumborski committed a number of atrocities during the conflict and was eventually poisoned.
Bolli BollasonByzantine EmpireViking mercenary who became the first-known West Norseman in the Varangian Guard.
Domnall na Madhmann Mac SuibhneGallowglass associate of Rath Glas.
Eustace the Monk1170–12171205–1212EnglandFrench mercenary and pirate who raided the Normandy coast on behalf of King John of England until his defection to France in 1212. He supported the rebel faction during the First Barons' War and ferried Prince Louis across the English Channel in 1216. He was executed after his capture at the Battle of Sandwich the following year.
Frederick of Castile1223–12771260–1270Hafsid DynastyAfter his exile from Castile, Frederick served under his brother Henry as a knight errant in the service of Tunisian emir al-Mustansir.
Gérard d'Athée1211–1215EnglandFrench mercenary employed by King John of England to control southern Wales.
Henry of Castile the Senator1230–13031259–1268Hafsid DynastyA son of Ferdinand III of Castile, Henry commanded Spanish knights in the service of Tunisian emir al-Mustansir. He also assisted his cousin, Charles of Anjou, becoming King of Sicily in 1266.
Hereward the Wake1035–1072FlandersEnglish rebel leader and outlaw who resisted the Norman conquest of England. Prior to the Norman invasion, Hereward was a mercenary in the service of Baldwin V, Count of Flanders.
Isnardo Guarco1380–1458Genoese politician and mercenary leader.
John Hawkwood1323–13941360–1392Florence
Lobar the WolfLeader of Brabançon mercenaries that fought in numerous battles all across Europe in the latter half of the twelfth century.
Martin Algai1100s-12121196-1211EnglandNavarrese mercenary captain who fought for King Richard I and King John of England. Later fought for Simon de Montfort in the Albigensian Crusade.
Martin Schwartz1475–1487Germanic mercenary who fought for Lambert Simnel, a Yorkist pretender to the English throne.
Owain Lawgoch1330–13781369–1378FranceWelsh soldier who served in Spain, France, Alsace, and Switzerland. He led a Free Company fighting for the French against the English in the Hundred Years' War.
Peter I, Count of Urgell1187–1258MoroccoSon of King Sancho I of Portugal who commanded a mercenary army of Christian exiles and adventurers in the service of Yusuf II, the Almohad Caliph of Morocco.
Rainulf Drengot1016–1045Norman adventurer and mercenary in southern Italy.
Robert Guiscard1015–10851047–1085Norman adventurer remembered for the conquest of southern Italy and Sicily.
Rodrigo de Villandrando1410–1443GasconySpanish mercenary leader in Gascony during the final phase of the Hundred Years' War.
Roger DeslaurSpanish almogàver in the service of Walter V of Brienne. One of the few knights to survive the bloody Battle of Halmyros, he became a member of the Catalan Company after his capture.
Roger de Flor1267–1305Byzantine EmpireSicilian adventurer and condottiere active in Aragonese Sicily, Italy and the Byzantine Empire.
Sultan Husayn Mirza Bayqara1438–15061457–1470Timurid ruler of Herat. During Bayqara's exile from his homeland, he served as a mercenary soldier to Sultan Sanjar Mirza of Merv.
Thomas of Galloway1212–1228England
Scotland
Gall-Gaidhil prince and adventurer who was employed as an agent for his brother Alan of Galloway as well as English and Scottish kings.
Werner von Urslingen1308–1354Holy Roman EmpireGermanic mercenary in the service of the Holy Roman Empire.
William Iron Arm1035–1046Norman adventurer who was the founder of the Hauteville family.
William of Ypres1090–11641139–1154Flemish mercenary commander who served as Stephen of England's chief lieutenant during The Anarchy.

Early modern

NameLifeYears activeAllegiance
(Organization)
Comments
Selman Reis1515–1538Mamluk SultanateOttoman admiral and corsair who commanded a group of 2,000 armed Levantines for the Mamluk navy during the Portuguese–Mamluk naval war.
Arnold Winkelriedd. 15221514–1522MilanA notorious mercenary leader during the early 16th century, Winkelried was knighted by the Milanese duke Maximilian Sforza in 1514. He instigated by Cardinal Matthäus Schiner to engage in the skirmish that led to the disastrous Battle of Marignano that same year. Winkelried later entered French service and was killed in single combat by his former commander Georg von Frundsberg at the Battle of Bicocca.
Sava Temišvarac1594–1612Holy Roman EmpireSerbian military commander in the service of the Transylvania and then the Holy Roman Empire during the Long Turkish War. He and Bishop Teodor of Vršac led the Uprising in Banat in 1594.
Enno Brandrøk1538–15711557–1571Denmark
England
Scotland
Spain
Son of Norwegian-born privateer and admiral Kristoffer Trondson, Brandrøk served as a Landsknecht in Denmark, England, Scotland and Spain.
Migliorino UbaldiniScotlandItalian military engineer working in Scotland. He designed new fortifications at the entrances of Edinburgh Castle, Dunbar Castle, and possibly the walled town of Leith.
György Dózsa1470–1514Székely man-at-arms who led a peasants' revolt in the Kingdom of Hungary. Prior to the revolt, he was a soldier of fortune during the wars against the Ottoman Empire
Thomas of Argos1545–1546Kingdom of EnglandCommanded a battalion of Greek stratioti who served as mercenaries with the English army during Henry VIII's wars against Scotland.
Ioan Iacob Heraclid1511–15631551–1561Holy Roman EmpireA Greek soldier of fortune who fought in the Holy Roman Empire armies of Charles V in his war against Henry II of France. Heraclid seized the throne of Moldova while in the service of Voivode Alexandru Lăpușneanu and, as the Protestant monarch in Eastern Europe, ruled for two years before his murder by Ștefan Tomșa.
Maarten Schenck van Nydeggen1543–15891578–1589Netherlands
Spain
Dutch nobleman who left the Spanish Empire to join the Dutch Republic.
Götz von Berlichingen1480–15621498–1544Imperial knight and mercenary active in numerous campaigns during a period of 47 years.
Ernst von Mansfeld1580–1626A son of Count Peter Ernst von Mansfeld, Ernst von Mansfeld was a noted mercenary commander during the Thirty Years' War
Georg von Frundsberg1473–15281492–1527Landsknecht commander in the service of the Imperial House of Habsburg.
Giorgio Basta1544–1607Holy Roman EmpireNeapolitan general employed by Rudolf II, Holy Roman Emperor to command Habsburg forces in the Long War.
Lucrezio Gravisi1558–16131574–Prussia
Portugal
Spain
Venetian freelance soldier and knight who served in Muscovy, Prussia, Portugal and Spain.
Roger Williams1540–15951557–1594Welsh soldier of fortune and military theorist.
Osman Pazvantoğlu1758–1807Ottoman soldier who led a mercenary army against Sultan Selim III.
René Descartes1596–1650Fought for both Protestant Maurice of Nassau and Catholic Maximilian I during the Thirty Years' War.
Sebastian Peregrin Zwyer1597–16611612–1642Milan
Spain
In his 30-year career, Zwyer served as a mercenary soldier in the service of Spain and Milan, the Habsburg emperors Ferdinand II and Ferdinand III during the Thirty Years' War, and in northern Italy.
Sigmund von Erlach1614–1699FranceSwiss mercenary commander in the services of Bernard of Saxe-Weimar and France during the Thirty Years War.
Kaspar von Silenen1506–1517First Commander of the Pontifical Swiss Guard.
Sampiero Corso1498–15671512–1567FranceA condottiero mercenary at age 14, Corso served the Medici family and Pope Clement VII and the French House of Valois during the early 16th century.
Robert Murrayd. 1719NetherlandsScottish soldier and son of Sir Robert Murray, Lord Provost of Edinburgh. A veteran of the Nine Years' War, Murray was an officer in a Scots regiment for the Dutch States Army.
John Parker Boyd1764–18301793–1808A soldier of fortune who served in the army of the Nizam of Hyderabad in Central India.
George Rogers Clark1752–18181793–1794FranceLeader of the Kentucky militia during the American Revolutionary War. After the war, Clark offered his services to France and planned a campaign with ambassador Edmond-Charles Genêt to drive the Spanish out of the Mississippi Valley.
Rowland Yorkd. 15881572–1588Netherlands
Spain
English soldier of fortune who served under Humphrey Gilbert and Robert Dudley, 1st Earl of Leicester in the Spanish Netherlands during the Eighty Years' War. York later betrayed the Earl by turning over the Zutphen sconce to the enemy and accepting an offer to command lancers in Spanish service.
Pontus De la Gardie1520–1585Denmark
Sweden
French nobleman in the service of Denmark and Sweden.
Thomas Stukley1520–15781551–1578FranceEnglish mercenary who fought in France, Ireland and Morocco.
Simon Harcourt1603–16421619–1636NetherlandsEnglish soldier of fortune in the service of the Prince of Orange.
John Ruthven1627–1638Denmark
Sweden
Scottish military officer who served in Denmark and Sweden during the Thirty Years' War.
Patrick Ruthven, 1st Earl of Forth1573–16511609–1637SwedenScottish nobleman and diplomat who served Gustavus Adolphus during the Thirty Years' War.
George Sinclair1580–16121607–1612SwedenScottish mercenary who fought for Gustavus Adolphus of Sweden in the Kalmar War. He and his men were ambushed and killed by Norwegian peasant militia at the Battle of Kringen.
William BaillieSwedenScottish professional soldier who commanded a regiment under Gustavus Adolphus of Sweden.
Mark Alexander Boyd1562–16011587–FranceScottish poet and soldier of fortune who took part in the religious wars of France.
Sir James Ramsay1589–16381603–1638SwedenScottish soldier, known as "Black Ramsay", who served Gustavus Adolphus, during the Thirty Years' War.
Peter Hagendorf1625–1649Holy Roman EmpireGerman mercenary soldier in the Thirty Years' War. His wartime diary is credited for giving a unique historic record of the life in the contemporary army from the viewpoint of a simple Landsknecht.
Paul Menesius1637–16941658–1694Russian EmpireScottish soldier and diplomat in the service of the Tsar Alexis of Russia.
Robert Douglas, Count of Skenninge1611–16621627–1662SwedenScottish cavalry general in Swedish service during the Thirty Years' War and Swedish-Polish wars.
William Drummond, 1st Viscount Strathallan1617–16881655–1665Russian EmpireScottish soldier and politician who served as Lieutenant-General in the Muscovite army.
Patrick Gordon1635–16991655–1699Russian EmpireScottish general and rear admiral in the service of Peter the Great.
James Francis Edward Keith1696–17581726–1758Prussia
Russian Empire
Spain
Scottish Jacobite who became a mercenary after the failed attempt to restore the Stuart Monarchy in Britain. He initially fought for the Spanish and Russian Empires before serving in the Prussian army under Frederick the Great. He eventually rose to the rank of field marshal and was killed during the Seven Years' War at the Battle of Hochkirk.
David Leslie, 1st Lord Newark1600–16821630–1640SwedenFought for the Swedish army of Gustavus Adolphus as a professional soldier during the Thirty Years' War.
Alexander Leslie, 1st Earl of Leven1582–16611605–1637Netherlands
Sweden
Scottish soldier in Dutch and Swedish service.
James Lumsden1598–16601632–1639SwedenScottish soldier who served in the Swedish army of Gustavus Adolphus during the Thirty Years' War.
Anders Mowatt of Hugoland1535–16111587–1610DenmarkScottish merchant who served as an admiral in the Danish Navy under Christian IV of Denmark.
Samuel Cockburn1574–1621SwedenScottish soldier who participated in the Swedish civil war between Sigismund Vasa and Duke Karl IX.
Andrew Rutherford, 1st Earl of Teviotd. 1664FranceScottish soldier who served in the French army of Louis XIV during the Thirty Years' War.
Anthony PohlmannUnited KingdomHanoverian soldier who served in the armies of the British East India Company and Daulat Scindia.
Donald Cameron of Lochiel1700–1748Scottish Highland chieftain involved in the Jacobite rising of 1745.
Baron Munchausen1720–17971735–1760Russian EmpireNobleman who fought for the Russian Empire in the Russo-Turkish War.
Alejandro O'Reilly1722–17941762–1794SpainAn Irish Jaboite who left Ireland during the Flight of the Wild Geese to fight in foreign Catholic armies. He entered Spanish service and rose to become a military reformer, brigadier general and governor of colonial Louisiana.
Robert Douglas1727–18091778–1794NetherlandsScottish-born soldier who served as a major-general in Dutch service. He was governor of the garrison city 's-Hertogenbosch 1784 to 1794.
John Sherlock1705–17941727–1775SpainIrish-born brigadier general of the Spanish Empire's Ultonia Regiment. He successfully defended Melilla during a 100-day siege by Moroccan troops.
George Thomas1756–18021781–1798Irish mercenary who was active in 18th-century India. From 1798 to 1801, he ruled a small kingdom in India, until his defeat and capture by Scindia's army under French general Pierre Cuillier-Perron.
John Ross1777–18561808–1812SwedenBritish naval officer and Arctic explorer who served in the Swedish Navy.
Jean-François Allard1785–18391815–1839Persia
Punjab
French soldier and adventurer in the service of the Abbas Mirza and Ranjit Singh.
Gregor MacGregor1786–18451812–1819Scottish adventurer and confidence trickster attempted to draw British and French investors and settlers to "Poyais", a fictional Central American territory he claimed to rule as "Cazique".
John Mackenzie, Lord MacLeod1727–17891750–1770Prussia
Sweden
Scottish Jacobite and soldier of fortune in the service of Sweden and Prussia.
John Forbes1733–18081762–1808PortugalScottish general in Portuguese service.
Benoît de Boigne1751–18301768–1796PunjabA military adventurer who made his fortune and name in India with the Marathas.
Jacob Van Braam1729–17921741–1779United KingdomA Dutch sword master and mercenary in British service. An officer under Lawrence Washington, he is also credited with training his younger half-brother George Washington.
George Hanger, 4th Baron Coleraine1751–18241776–1780Hesse-KasselA British author and eccentric who served in the Hessian Jägers during the American Revolutionary War.
Claude Auguste Court1793–18801827–1843PunjabFrench soldier and mercenary in the service of Ranjit Singh. Attaining the rank of general, Court was considered one of the leading European officers in the Punjab Army.
Pierre Cuillier-Perron1755–18341780–1803Military adventurer in India who served under Benoît de Boigne. He succeeded De Boigne as commander-in-chief of Sindhia's army until the defeat of Ujjain in 1801. He defected to Great Britain during the Second Anglo-Maratha War after his forces were destroyed by Lord Lake and Sir Arthur Wellesley.
Sidney Smith1764–18401790SwedenBritish naval officer who served in the Royal Swedish Navy in the war between Sweden and Russia.
John Robison1778–18431802–1815Scottish inventor in the service of Nizam of Hyderabad.
Thomas Sutcliffe1790–18491817–1838Chile
Colombia
English soldier of fortune who served as an army officer in the service of Colombia and Chile.
John Holmes1829–1848Sikh EmpireAnglo-Indian mercenary in the service of the Sikh Empire. He served with the Sikh Khalsa Army during the First Anglo-Sikh War.
Paolo Avitabile1791–18501815–1824
1827–1843
Persia
Punjab
Neapolitan adventurer who served under Fath-Ali Shah Qajar, Ranjit Singh and Sher Singh in the years following the Napoleonic Wars.
Giuseppe Garibaldi1807–18821833–1854Brazil
Uruguay
One of the founders of modern Italy who led the Redshirts during the Risorgimento. As a youth, he served in military enterprises in Brazil, Uruguay and Europe.
James Patrick Mahon1800–18911852–1858
1861–1877
Irish journalist and mercenary who fought in Europe, South America and United States during the mid-to late 19th century.
George Dawson Flinterd. 18381816–1838SpainIrish adventurer and mercenary who left the British Army to become a staff officer in Spanish service and took part in the First Carlist War.
John de Havilland1826–1886SpainEnglish soldier of fortune who served in Spain under Don Carlos where he became a general in the Spanish Army. An officer of arms at the College of Arms, Havilland is one of two people born in the U.S. to have held that rank.
Stephen Bartlett Lakeman1823–19001853–1856Ottoman EmpireEnglish adventurer and mercenary soldier who rose to become a general in the Ottoman Empire.
Camillo Ricchiardi1865–19401899–1902South African RepublicItalian adventurer and journalist who commanded the Italian Volunteer Legion during the Second Boer War.
Prosper Giquel1835–18861861–1885Qing dynastyFrench naval officer who took part in the Taiping rebellion. His time with the Qing government played an important role in the modernization of 19th century China.
Harry Aubrey de Vere Maclean1848–19201877–1908MoroccoScottish soldier who served Sultan Mawlay Hassan and Mawlay Abdelaziz as a military instructor to the Moroccan Army.
Frederick Townsend Ward1831–18621852–1862Qing dynastyAmerican sailor and soldier of fortune known for his military service in Imperial China during the Taiping Rebellion. He was killed while leading Qing forces at the Battle of Cixi.
Ira Allen1751–1814FranceOne of the founders of Vermont, Allen co-led the Green Mountain Boys during the American Revolutionary War. He went to France in 1795 seeking French army intervention for seizing Canada, to create an independent republic called United Columbia. He bought 20,000 muskets and 24 cannon, but was captured at sea, taken to England, placed on trial, charged with furnishing arms for Irish rebels.
Horace Bell1830–19181859–1861Nicaragua
Mexico
A founding member of the Los Angeles Rangers, Bell was a member of William Walker's filibustering expedition in Nicaragua and Benito Juárez's Army in Mexico during the Reform War.
Parker H. French1826–18801855–1856NicaraguaAdventurer and swindler who participated in William Walker's conquest of Nicaragua.
James Long1793–18221819–1822A former US Army surgeon, Long was involved in two filibustering expeditions against the Spanish Empire. He led the ill-fated led Long Expedition to establish an independent republic in Spanish Texas.
Augustus Magee1789–18131812–1813A former US Army officer who led a filibustering expedition of Spanish Texas in 1812.
Philo Norton McGiffin1860-18971885-1895An 1884 graduate of the United States Naval Academy, McGiffin, due to Congressional budget cuts did not receive a billet (a job opening) in the U.S. Navy and went to China looking for naval employment. Just in time for the Sino-Japanese War in 1894, McGiffin, promoted to the rank of captain in the Imperial Chinese Navy, was the executive officer and later commander of the Chinese ironclad Chen Yuen (aka Zhen Yuan) during the Battle of the Yalu River (1894), where he was seriously wounded. McGiffin ultimately died as a result of his wounds in 1897.[1][2]
George Mathews1739–18121810–1812A Continental Army officer during the American Revolutionary War, Mathews was a key figure in an 1810–1812 filibuster expedition to capture Spanish Florida for the United States.
John A. Quitman1798–18581849–1854As military governor of Mexico City, Quitman aided Venezuelan filibuster Narciso López's expedition to liberate Cuba from Spanish rule in 1850. He and Mansfield Lovell later attempted a filibustering expedition to Cuba in 1853, however, the plans were abandoned when President Franklin Pierce withdrew his support.
William Walker1824–18601853–1860NicaraguaLawyer and journalist who led several filibustering expeditions into Latin America during the 1850s. He served as president of Nicaragua from 1856 to 1857 when he was defeated by a coalition of Central American armies.
Chatham Roberdeau Wheat1826–18621849–1861MexicoAn American mercenary and filibusterer who took fought under Narciso López in Cuba and Juan Álvarez in Mexico. He was briefly a member of Giuseppe Garibaldi's Expedition of the Thousand but returned to the U.S. at the start of the American Civil War.

Industrial

NameLifeYears activeAllegiance
(Organization)
Comments
Frederick Russell Burnham1861–19471893–1897 1900–1901United Kingdom
British South Africa Company
American scout and adventurer who served with the British South Africa Company and the British Army in colonial Africa.
Lee Christmas1863–19241897–1923HondurasAmerican engineer who fought with rebel groups in Central America during the early 20th century. Initially employed as a railroad engineer in Honduras, he was kidnapped by rebels in 1897. Christmas eventually joined their cause and became a close associate of General Manuel Bonilla.
Morris Cohen1887–19701922–1943Tongmenghui
Republic of China (1912–1949)
Polish-born British adventurer who became aide-de-camp to Dr. Sun Yat-sen and a major-general in the Chinese National Revolutionary Army.
George Washington Dixon1801–18611847American singer and stage actor best known as one of the earliest blackface performers. A controversial newspaper editor, Dixon took part in a failed filibustering expedition to the Yucatán in 1847.
Josiah Harlan1799–18711824–1839Sikh Empire
Emirate of Afghanistan
United Kingdom
American adventurer who traveled to Afghanistan and Punjab with the intention of making himself a king. Rudyard Kipling's short story The Man Who Would Be King is partly based on his life.
Charles Frederick Henningsen1815–18771834–1863Carlists
Circassia
Hungarian State (1849)
Nicaragua
CSA
An English mercenary and munitions expert who fought in the First Carlist War, Russian-Circassian War, Hungarian Revolution of 1848, and the U.S. Civil War. Henningsen was involved in several filibustering expeditions during the 1850s including, most notably, William Walker's campaign in Nicaragua.
Emilio Kosterlitzky1853–19281871–1913MexicoRussian-born soldier of fortune, known as the "Mexican Cossack", who participated in the Mexican Apache Wars and Yaqui Wars. Imprisoned during the Mexican Revolution, Kosterlitzky was freed after the intervention of the U.S. in 1914.
Homer Lea1876–19121899–1912TongmenghuiAmerican adventurer involved with Chinese reform and revolutionary movements in the early twentieth century. A close associate of Dr. Sun Yat-sen during the 1911 Chinese Republican revolution.
Henry McIver1841–19071857–1884United Kingdom<br/ >Kingdom of Italy<br/ > Carlists<br/ >Second Mexican Empire<br/ >Principality of Serbia<br/ > British East India CompanyAmerican soldier of fortune who fought for 18 countries during his 27-year career.
Robert Hale Merriman1908-19381937-1938Spanish Republic
International Brigades
American doctoral student who fought with the Republican forces in Spain during the Spanish Civil War. He was killed while commanding the Abraham Lincoln Battalion of the International Brigades.
Thaddeus P. Mott1831–18941848–1857
1868–1879
Kingdom of Italy
Mexico
Ottoman Empire<br/ >Khedivate of Egypt
American adventurer and ex-soldier who fought in Mexico, Italy, and Turkey. As an advisor to Sultan Abdulaziz, Mott recruited former Union and Confederate soldiers for service in the Egyptian Army.
Carol Ap Rhys Pryce1876–19551911MexicoIndian-Born Welsh soldier of fortune. Noted for his role in the 1911 Magonista rebellion in Baja California as an officer with the Mexican Foreign Legion.
Prince Felix von Salm-Salm1820–18701846–1870Austrian Empire
United States
Second Mexican Empire
Prussian cavalry officer in the First Schleswig War that went on to serve the Austrian Empire in the Austro-Sardinian War, the American Union Army, the Second Mexican Empire, and lastly for Prussia in the Franco-Prussian War.
Rafael de Nogales Méndez1879–19371898–1933Ottoman Empire
Spain
Mexico
Nicaragua
Venezuelan adventurer and writer who took part in the Russo-Japanese War, Spanish–American War and various uprisings in Latin America. Méndez served with the Ottoman Empire during World War I where he was a witness to the Armenian genocide.
Abdul Injai1905–1915Kingdom of Portugal<br/ > PortugalMuslim Wolof mercenary in colonial Portuguese Guinea at the turn of the 20th century.
Frederic Ives Lord1897–19671917–1919
1936–1945
Mexico
United Kingdom
White Army
Spanish Republic
Royal Flying Corps flying ace during the First World War and Russian Civil War. He was also served as a military advisor to the Mexican air force during the Mexican Revolution.
Carl Gustaf von Rosen1909–19771936–1977Ethiopian Empire
Finland
Biafra
Derg
A volunteer pilot for Finland during the Winter War and Biafra during the Biafran War. A pioneer aviator, Rosen flew relief missions in a number of conflicts from the 1930s to 1970s.
Francis Arthur Sutton1884–19441918?–1928ManchuriaEnglish adventurer, known as "One Arm Sutton", who served as a major general for Manchurian warlord Zhang Zuolin.
Ivor Thord-Gray1878–19641893–1919United Kingdom
Cape Colony
Kenya Colony
United States
Philippines
Republic of China (1912-1949)
Mexico
White Army
Swedish adventurer who participated in 13 different wars across several continents.
Frank Glasgow Tinker1909–19391936–1937Spanish RepublicVolunteer fighter pilot and top American ace for the Spanish Republican Air Force during the Spanish Civil War.
Amleto Vespa1888–19441922–1941Manchuria
Empire of Japan
Fascist mercenary, spy and weapons smuggler who worked for Manchurian warlord Zhang Zuolin and later for the Empire of Japan.
Jan Zumbach1915–19861940–1967France
UK
Katanga
Biafra
A Swiss-born Polish fighter pilot who served with the British, French and Polish Air Force during World War II. He also took part in the Congo Crisis and Nigerian Civil War as an air force commander during the 1960s.

Modern

NameLifeYears activeAllegiance
(Organization)
Comments
Roland Bartetzko1970–1987-1992 (military service) 1992-1999 (for Bosnia and Kosovo)Germany
Herzeg-Bosnia, Kosovo Liberation Army
Convicted of terrorism in 2002 for a car bombing that killed one and wounded four others. Sentenced to 23 years imprisonment, later reduced to 20 years. Released in 2015.
Masaki Takabe1960–1986-1995

Afghan mujahideen Croatian Defence Council

Karen National Liberation Army

Fought in the Soviet–Afghan War, Myanmar conflict and Bosnian War.[citation needed]
Ken Rhee1984–2007-2014 (military service) 2022 (for Ukraine)Republic of Korea Navy International Legion (Ukraine)A former Republic of Korea Navy Special Warfare Flotilla operator, Rhee served with International Legion Ukraine during Russian invasion of Ukraine. He also have own consultant security company and YouTube channel named ROKSEAL
Roger Faulques1924– 20111944–1970French Forces of the Interior France State of Katanga Mutawakkilite Kingdom of Yemen BiafraHe fought in World War II, the First Indochina War, the Suez Crisis, the Algerian War, the Congo Crisis, the North Yemen Civil War and the Nigerian Civil War. He is one of France's most decorated soldiers.
Joseph Adams1970s– 1980sNicaragua
Contras
Bodyguard and military adviser of Adolfo Calero, one of the leaders of the Contra rebellion in Nicaragua.
George Bacon1946–19761975–1976Angola
FNLA
A former Green Beret and CIA operative, Bacon served with the National Liberation Front of Angola during the Angolan Civil War.
Hilaire du Berrier1906–2002Ethiopian Empire
Spanish Republic
Republic of China
France
Pilot and spy who fought with the Ethiopian Air Force in the Second Italo-Ethiopian War, joined the Republican Air Force in the Spanish Civil War as a nationalist spy, and later operated a spy network for the Chinese, in cooperation with France, against the Japanese in the Second Sino-Japanese War
Frank Camper1946–El Salvador
Guatemala
Mexico
Yemen
A Vietnam War veteran and Defense Intelligence Agency employee who operated as a freelance mercenary in El Salvador, Guatemala, Mexico and Yemen. He later operated the Recondo mercenary training school near Dolomite, Alabama. According to the FBI, Camper was personally responsible for saving the Indian Prime Minister Rajiv Gandhi's life in 1985.
Claire Lee Chennault1893–19581941–1958Republic of China
Burma
Thailand
France
South Vietnam
Cambodia
Laos
Founder and Commander of American Volunteer Group (Flying Tigers). Founder of Civil Air Transport (Later known as Air America). Post Commander of American Legion China Post 1 Shanghai.
Thomas W. Chittum1947–early 1970s–1992Croatia
Rhodesia
A Vietnam War veteran who fought in the Rhodesian War and Croatian War of Independence.
/ Charlie Christodoulou1951–19761975–1976Angola
FNLA
Greek Cypriot-born British mercenary killed in an ambush in Angola during the Angolan War of Independence.
John Alan Coey1950–19751972–1975RhodesiaA former United States Marine Corps Officer Candidate who left to join the Rhodesian Light Infantry. He was killed in action in 1975 and was the first American to die in the Rhodesian Bush War.
Andrew J. Moonen1980–2006–2007IraqFormer employee of Blackwater Security, accused by the Iraq government of murdering Raheem Khalif, a security guard of the Iraqi Vice-president, Adel Abdul Mahdi.
/ Yves Debay1954–2013late 1970s–1986Rhodesia
South Africa
Congolese-born Belgian mercenary who served in the Rhodesian Bush War and South African Border War. He became war correspondent in 1986 and covered wars in Afghanistan, both Iraq wars, Lebanon, the Balkans, Libya and Syria. Debay was the first Belgian journalist killed during the Syrian civil war.
Peter Kemp1913–19931936–1946Nationalist
United Kingdom
British SOE Agent who worked with WW2 resistance fighters in Albania, Poland and Indochina. Also fought in the Spanish Civil War on the side of the Nationalist.
Rafał Gan-Ganowicz1932–20021950–1969United States
Congo-Léopoldville
Mutawakkilite Kingdom of Yemen
Polish Anti-Communist Mercenary who was a member of the Polish government-in-exile and fought in the Congo Crisis and the North Yemen Civil War.
Jordan Goudreau1976–2018– 2020United States (alleged)Former US Special Forces Sergeant. Founder of Silvercorp USA. Organized the failed Macuto Bay Incursion into Venezuela.
Abraham Golan2015Yemen United Arab EmiratesFounder of Spear Operations Group. Led former US Special Operators and French Legionnaires on combat raids and assassinations in Yemen.
Jonathan "Jack" Idema1956–20121984–2004

Honduras El Salvador

Lithuania

United States (alleged)

Northern Alliance (alleged)

TISA (alleged)

Former US Special Forces Sergeant. Alleged Advisor to Afghan Northern Alliance. Commander of Task Force Saber 7. Alleged freelance interrogator. Convicted by Afghan Government of kidnapping, running a private prison and torture.
Pedro Marangoni19491968– 1980Brazil
France
Mozambique
Rhodesia
Spain
[3]
Jean Schramme1929–19881961–1968Katanga
Congo-Léopoldville
Belgian planter who turned mercenary during the Congo Crisis and led the 1967 uprising in Katanga against Colonel Mobutu Sese Seko.
Tex O'Reilly1880–19461900s–1920sMexico
División del Norte
Spain
An American adventurer and soldier of fortune who participated in the Banana Wars, Mexican Revolution and the Rif War during the early 20th century.
Robert C. MacKenzie1948–19951970–1985Rhodesia
South Africa
Transkei
Sierra Leone
An ex-Vietnam War veteran who served as an officer with the Rhodesian Special Air Service, South African Defence Force, and Transkei Defense Force. He was later a contributing editor for Soldier of Fortune and covered conflicts around the globe.
Dean Ivan Lamb1886–19561912–1923Honduras
Mexico
Paraguay
A mercenary fighter pilot who took part in the Mexican Revolution, World War I and the Second Paraguayan Civil War. He also helped to establish the Honduran Air Force in 1921.
Abu Nidal1937–20021967–2002Rejectionist FrontFounder of the Abu Nidal Organization.
Ilich Ramírez Sánchez (Carlos the Jackal)1949–1970–1994PFLP-terrorists
Stasi
Ba'athist Iraq
Venezuelan Communist known for committing several terrorist attacks in Europe and the Middle East, most notably the OPEC siege in 1975.
Bruce Conde1913–19921962–1970Mutawakkilite Kingdom of YemenStamp collector and royal impostor who served as a general with Royalist forces in the North Yemen Civil War.
Harold Edward Dahl1909–19561936–1945Spanish Republic
Canada
Mercenary pilot who was a member of Andrés García La Calle's "American Patrol" group during the Spanish Civil War.
/ Sam Dreben1878–19251907–1917Mexico
Guatemala
Honduras
Nicaragua
A World War I war hero popularly known as "The Fighting Jew". He also fought as a mercenary during the Banana Wars and Mexican Revolution.
Sam Hall1937–20141980sNicaragua
Contras
One time U.S. Olympian who fought on the side of anti-communist forces as a military advisor to the Nicaraguan Contras.
Peter McAleese1942–20241976-early 1990sAngola
FNLA
Rhodesia
South Africa
Colombia
An ex-British Army N.C.O who served with elite units such as the Parachute Regiment and Special Air Service, the Rhodesian Special Air Service and the Selous Scouts branch of the British South Africa Police, and South Africa's 44 Parachute Brigade and 32 Battalion. As a mercenary he fought alongside the FNLA and attempted to assassinate Pablo Escobar on behalf of the Cali Cartel.
Bob Denard1929–20071961–1995Katanga
Mutawakkilite Kingdom of Yemen
Congo-Léopoldville
Rhodesia
Biafra
Gabon
People's Republic of Benin
Comoros
French soldier and mercenary who operated in many African countries during the Cold War. He is, to date, the only mercenary who has ruled over a nation. However, he did not hold political office and ruled through the puppet president he ousted previously, Ahmed Abdallah.
Dominique Borella1927–19751945–1975Khmer Republic
Lebanon
French soldier and mercenary who fought in the Algerian War, Cambodian Civil War and the Lebanese Civil War.
Rolf Steiner1933–1950–1971France
OAS
Biafra
Anyanya
Soldier of fortune who led the 4th Commando Brigade in the Biafran Army during the Nigerian Civil War, and later served with the Anyanya rebels in southern Sudan.
// Mike Hoare1919–20201960–1983Katanga
Congo-Léopoldville
Seychelles
An Indian-born Irish mercenary leader known for military activities in Africa and his attempt to conduct a coup d'état in the Seychelles.
/Siegfried Müller1920–19831962–1965Congo-LéopoldvilleA former Wehrmacht officer-candidate who fought as a mercenary under Major Mike Hoare in the Congo Crisis.
Lynn Garrison1937–1967–1970BiafraFlew as a combat pilot in various conflicts, most notably the Nigerian Civil War, and later acted as a military and political advisor, allegedly with the support of a number of US Government agencies and various U.S. senators.
/ Fred Marafano1940–20131984–2006Sierra Leone
Executive Outcomes
Fijian-born British Special Air Service operative turned mercenary who fought in the Sierra Leone civil war as a member of Executive Outcomes.[4]
/ Costas Georgiou1951–19761975–1976Angola
FNLA
Greek Cypriot-born British mercenary executed in Angola following the Luanda Trial for activities during the civil war phase of the Angolan War of Independence.
Philip Sessarego1952–20081979–1993Sri Lanka
Mujahideen
Afghanistan
Croatia
Failed SAS Selection candidate who became a soldier of fortune and claimed to have trained Mujahideen in Afghanistan before faking his own death in 1993.
Simon Mann1952–20251993–2004Executive Outcomes
Angola
Sierra Leone
Papua New Guinea
Equatorial Guinea
Former British Army officer who was imprisoned in Equatorial Guinea for his role in a failed coup d'état in 2004.
Tim Spicer1952–1994–Sandline International
Aegis Defense Services
Papua New Guinea
Sierra Leone
Iraq
A British Army officer turned military contractor. He served as CEO of Sandline International from 1995 to 2000 before co-founding Aegis Defence Services.
/ Eduardo Rózsa-Flores1960–20091991–1994CroatiaA war correspondent for La Vanguardia and the Spanish unit of the BBC World Service, Rózsa-Flores joined the Croatian National Guard during the Croatian War of Independence. As the group's first foreign volunteer, he helped form the Croatian army's First International Unit. Rózsa-Flores was later killed in a police raid during a meeting to allegedly plan the assassination of Bolivian president Evo Morales.
Yair Klein1943–Lebanon
Colombia
Medellín Cartel
Revolutionary United Front
A former Israeli Army officer who founded the private mercenary company Spearhead Ltd. The organization provided arms and training to armed forces in South America, Lebanon, and Sierra Leone.
Nick du ToitEquatorial GuineaSouth African arms dealer and mercenary implicated in the 2004 plot to overthrow Teodoro Obiang of Equatorial Guinea.
Tullio Moneta1937–20221964–1981South Africa
Seychelles
Italian-born South African mercenary who served under Mike Hoare in the Congo. He was second-in-command to Hoare during the failed 1981 coup at Mahe Airport in the Seychelles. Moneta was sentenced to five years in prison.
Neall Ellis1949–Late 1960s–1971 1996–2004Rhodesia
Executive Outcomes
Sandline International
Sierra Leone
An ex-South African Air Force pilot, Ellis later contracted for various private military corporations including Executive Outcomes and Sandline International. During the civil war in Sierra Leone, he and his crew held off Revolutionary United Front forces almost single-handedly before the capital was overrun.
/ Taffy Williams1933–19961960–1970Katanga
Biafra
Welsh-born mercenary who served in Biafra and the Congo with Mike Hoare and 5 Commando (Congo).
Kelvyn Alp1971–1996–2002MāoriFounder of the New Zealand Armed Intervention Force. Though founded as a mercenary organisation, it was referred to in the media as a Māori separatist group.
/ Jackie Arklöv1973–1992–1999CroatiaLiberian-born Swedish mercenary who took part in Yugoslav Wars. He was imprisoned for war crimes in Bosnia but eventually returned to Sweden in a prisoner exchange. Arklöv later joined the neo-Nazi group led by Tony Olsson and participated in their 1999 crime spree that led to the deaths of two police officers.
Mitchell WerBell III1918–19831950–1973Cuba
Dominican Republic
An ex-Office of Strategic Services guerrilla operative, arms dealer and weapons designer who served as a security advisor to Dominican dictator Rafael Trujillo and to the Batista regime in Cuba during the 1950s. Also involved with various rebel groups in the Caribbean and Central America during the Cold War.
Satria Arta Kumbaralate 1980s2025Indonesia RussiaAn Indonesian Marine Corps deserter in 2022, he was a mercenary for Russian Ground Forces in Russian invasion of Ukraine in 2025.[5] However he went back to his country after Indonesian government revoked his citizenship.[citation needed]

References

  1. ^ Andrade, Tonio. (2016) The Gunpowder Age, China, Military Innovation, and the Rise of the West in World History. New Jersey, USA & Oxshireford, UK. Princeton University Press. P. 287-290
  2. ^ McGiffin, Lee. (1968) Yankee of the Yalu, Philo Norton McGiffin, American Captain in the Chinese Navy (1885-1895). New York: E. P. Dutton & Co. P. 35, 36, 96
  3. ^ "A brief biography of Pedro Marangoni, listing some of his involvement around the world". terryaspinall.com. Archived June 20, 2025 at the Wayback Machine. Retrieved 2025-06-20.
  4. ^ "Fred Marafono: Soldier who served in the SAS and fought the rebels in". The Independent. Archived 2023-03-27 at the Wayback Machine. Retrieved 2025-06-21.
  5. ^ "Satria Kumbara Hilang Kabar Usai Gabung Tentara Bayaran Rusia" (in id-ID). nasional. Retrieved 2026-03-02.
  • Brooks, M. Evan. Military History's Most Wanted: The Top 10 Book of Improbable Victories, Unlikely Heroes, and Other Martial Oddities. Potomac Books, 2002.
  • Davis, Richard Harding. Six Who Dared: The Lives of Six Great Soldiers of Fortune. Fireship Press, 2007.
  • Lanning, Michael Lee. Mercenaries: Soldiers of Fortune, from Ancient Greece to Today's Private Military Companies. Random House Publishing Group, 2007.
  • Mockler, Anthony. The Mercenaries: The Men Who Fight for Profit – from the Free Companies of Feudal France to the White Adventurers in the Congo. Macmillan, 1969.

Further reading

Ancient World
  • Griffith, G. T. The Mercenaries of the Hellenistic World. Cambridge University Press, 1935.
  • Trundle, Matthew. Greek Mercenaries: From the Late Archaic Period to Alexander. Routledge, 2004.
  • Yalichev, Serge. Mercenaries of the Ancient World. Constable, 1997.
Medieval
  • France, John, ed. "Mercenaries and Paid Men: The Mercenary Identity in the Middle Ages". Smithsonian History of Warfare. Vol. 47. Brill, 2008. ISBN 9004164472
  • Janin, Hunt and Ursula Carlson. Mercenaries in Medieval and Renaissance Europe. McFarland, 2013.
  • Mallett, Michael. Mercenaries and their Masters: Warfare in Renaissance Italy. Pen and Sword, 2009.
  • Murphy, David. Condottiere 1300–1500: Infamous Medieval Mercenaries. Oxford: Osprey, 2007.
Early modern
  • Dempsey, Guy. Napoleon's Mercenaries: Foreign Units in the French Army Under the Consulate and Empire, 1799–1814. Frontline Books, 2002.
  • Ingrao, Charles W. The Hessian Mercenary State: Ideas, Institutions, and Reform Under Frederick II, 1760–1785. Cambridge University Press, 2003.
  • Janice E. Thomson, Mercenaries, pirates, and sovereigns: state-building and extraterritorial violence in early modern Europe Princeton University Press, 1994. ISBN 1-4008-0801-4 Describes the building of the modern state system through the states' "monopolization of extraterritorial violence."
  • Rodriguez, Moises Enrique. Freedom's Mercenaries: British Volunteers in the Wars of Independence of Latin America. Vol. 2. Hamilton Books, 2006.
  • Military science in western Europe in the sixteenth century. Prologue:The nature of armies in the 16th century (pdf): A given army often included numerous nationalities and languages. The normal Landsknecht regiment included one interpreter per 400 men, and interpreters were commonly budgeted for in the staffs of the field armies of the French, and of German reiter regiments as well. Fluency in multiple languages was a valuable skill for a captain, given that it was not uncommon for armies to consist of a majority of foreign nationals.
Industrial
  • Edwards, John Carver. Airmen Without Portfolio: U.S. Mercenaries in Civil War Spain. Praeger, 1997.
  • Jowett, Philip. Chinese Warlord Armies 1911–30. Bloomsbury Publishing, 2012.
  • Langley, Lester D. and Thomas D. Schoonover. The Banana Men: American Mercenaries and Entrepreneurs in Central America, 1880–1930. University Press of Kentucky, 2014.
  • Roche, James Jeffrey. The Story of the Filibusters. T. F. Unwin, 1891.
Modern
  • Mockler, Anthony. The New Mercenaries: The History of the Mercenary from the Congo to the Seychelles. Paragon House, 1987.
  • Arnold, Guy. Mercenaries: The Scourge of the Third World. Palgrave Macmillan, 1999. ISBN 978-0-312-22203-1
  • Pelton, Robert Young. Licensed to Kill: Hired Guns in the War on Terror. Crown, 2006. ISBN 978-1400097814
  • Mockler, Anthony. Hired Guns and Coups d'Etat: Mercenaries: Thirty Years 1976–2006. Hunter Mackay, 2007.
  • Jeremy Scahill. Blackwater: The Rise of the World's Most Powerful Mercenary Army, Nation Books, 2007. ISBN 1-56025-979-5
  • P. W. Singer. Corporate Warriors: The Rise of the Privatized Military Industry, Cornell University Press, 2007 ISBN 978-0801474361
  • Woolley, Peter J. "Soldiers of Fortune," The Common Review, v. 5, no. 4(2007), pp. 46–48. Review essay.
  • Venter, Al J. War Dog: Fighting Other People's Wars: The Modern Mercenary in Combat. Lancer Publishers, 2010.
  • Othen, Christopher. Katanga 1960–63: Mercenaries, Spies and the African Nation that Waged War on the World. History Press, 2015.
  • McFate, Sean. The Modern Mercenary: Private Armies and What They Mean for World Order. Oxford University Press, 2016.
  • Chase, Simon & Pezzullo, Ralph. Zero Footprint. Mulholland Books, 2017 ISBN 978-0316342254