'''Plessis''' (Afrikaans: '''du Plessis''') '''Plessy''', and '''de Plessis''' are related surnames of French origin, may refer to:
A ''plessis'' meant a ''fence made of interwoven branches'' in Old French.
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==French people== * Alphonse-Louis du Plessis de Richelieu (1582–1653), French bishop * Armand-Emmanuel de Vignerot du Plessis, Duc de Richelieu (1766–1822), French statesman * Armand-Jean du Plessis, better known as Cardinal Richelieu (1585–1642), French statesman and cardinal * Caesar, duc de Choiseul (1602–1675), Marshal of France, born Cæsar Choiseul du Plessis-Praslin * Chevalier du Plessis (fl. 1660s), French pirate * Constant Plessis (1890–1930), French First World War flying ace * Damien Plessis (born 1988), French footballer * Frédéric Plessis (1851–1942), French Latinist * Gilbert de Choiseul du Plessis-Praslin (1613–1689), French bishop * Guillaume Plessis (born 1985), French footballer from Réunion * Jacques de Rougé du Plessis-Bellière, French general * Jean du Plessis d'Ossonville (died 1635), French governor of Guadeloupe * Philippe du Plessis (1165–1209), French knight and 13th Grand Master of the Knights Templar * Philippe de Mornay (1549–1623), French Protestant writer, also known as Mornay Du Plessis * Suzanne du Plessis-Bellière (1605–1705), wife of Jacques and political opponent of Louis XIV * Thomas-Antoine de Mauduit du Plessis (1753–1791), French officer who fought in the American Revolutionary War
==Afrikaners== ===Sports=== * Bismarck du Plessis, and Jannie du Plessis, brothers and South African rugby players * Carel du Plessis (born 1960), former South African rugby union * Charl du Plessis (born 1987), former South African rugby union * Corné du Plessis (born 1978), South African sprinter * Daniël du Plessis (born 1995), South African rugby union player * Dean du Plessis, Zimbabwean cricket commentator * Desiré du Plessis (born 1965), South African former track and field athlete * Dricus du Plessis (born 1994), South African mixed martial artist * Faf du Plessis (born 1984), South African cricketer * Felix du Plessis (1919–1978), former South African rugby union player * Gary du Plessis (1974–2006), Zimbabwean cricketer * Hans du Plessis, South African rugby league player * Hennie du Plessis (born 1996), South African golfer * Jacques du Plessis (born 1993), South African rugby union player * Jean du Plessis (born 1998), South African cricketer * Lilian du Plessis (born 1992), South African field hockey player * Mark Du Plessis (born 1961), horse racing jockey * Marthinus du Plessis (born 1932), South African pentathlete, 1956 Summer Olympics * Morne du Plessis (born 1949), South African rugby union player and captain * Paul du Plessis, legal historian * Petrus du Plessis (born 1981), professional rugby player for London Irish * Renate du Plessis (born 1981), South African competitive swimmer * Tabbie du Plessis (born 1992), South African rugby union player * Tinus du Plessis (born 1984), Namibian rugby player * Wade du Plessis (born 1967), South African association football player
===Arts and entertainment=== * Christian du Plessis (born 1944), South African baritone * Hubert du Plessis (1922 – 2011), South African composer, pianist, and professor of music * Juanita du Plessis (born 1972), Afrikaans singer, born in Windhoek, Namibia * Koos du Plessis (1945–1984), South African songwriter * Phil du Plessis (1944–2011), Afrikaans poet, musician, and medical doctor * Zack du Plessis (1950–2011), South African actor
===Other=== * Barend du Plessis (born 1940), South African politician * David du Plessis (1905–1987), South African Pentecostal minister * Erik du Plessis, Chairman of Millward Brown South Africa and author * Eric Hollingsworth du Plessis (born 1950), American author and University professor * Jan du Plessis (born 1954), British-South African businessman * Johannes du Plessis (1868–1935), South African DRC missionary * Susanna du Plessis (1739–1795), Dutch plantation owner in Dutch Surinam
==Other people== {{see also|Duplessis (surname)}} * Homer Plessy, American litigant, plaintiff in the landmark ''Plessy v. Ferguson'' Supreme Court decision * John de Plessis, 7th Earl of Warwick * Joseph-Octave Plessis (1763–1825), Canadian bishop
==See also== * Le Plessis (disambiguation), the name of 23 communes in France * Collège du Plessis * Jaco du Plessis * Plessis Bouchard * Plessey, a historic British corporation * Plessis 1817 ellipsoid{{Broken anchor|date=2024-06-03|bot=User:Cewbot/log/20201008/configuration|target_link=Figure of the Earth#Historical Earthvellipsoids|reason= }} * Plessis, New York * Piet Plessis
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Category:French-language surnames Category:Afrikaans-language surnames Category:Surnames of French origin