'''Saint Omer''' or '''St Omer''' most commonly refers to: * St Omer, the common name of Saint Audomar (died c. 670)
'''Saint Omer''' or '''Saint-Omer''' may also refer to: {{TOC right}}
==People== * Godfrey de Saint-Omer (12th century), one of the 12th century founders of the Knights Templar *Walter of Saint Omer (died 1174), Prince of Galilee * Nicholas I of Saint Omer (11??–121?), French knight * Bela of Saint Omer (died 1258), Lord of one half of Thebes * Nicholas II of Saint Omer (died 1294), Lord of one half of Thebes * Otho of Saint Omer (died 1299), Lord of one half of Thebes * John of Saint Omer (13th century), Marshal of Achaea * Nicholas III of Saint Omer (died 1314), Lord of one half of Thebes and Marshal of Achaea
==Places==
===Canada=== *Saint-Omer, Quebec, a town in L'Islet Regional County Municipality *Saint-Omer, Gaspésie–Îles-de-la-Madeleine, Quebec
===France=== * Saint-Omer, Calvados * Saint-Omer-en-Chaussée, Oise * Saint-Omer, Pas-de-Calais * Saint-Omer-Capelle, Pas-de-Calais
===Other places=== * St. Omer, a village in the municipality of Suhlendorf, Germany * Saint Omer, Indiana, United States
==Other== * ''Saint Omer'' (film), 2022 film by Alice Diop * Sant Omer, a similarly named composer of Trecento music * College of St. Omer, a Catholic school that operated from about 1594 to 1793 * Battle of Saint-Omer, Hundred Years War, 1340 * Hours of Saint-Omer, illuminated manuscript of {{circa|1320}} * Siege of Saint-Omer, Thirty Years War, 1638
{{disambiguation|geo}}