Saint-Cyr (surname)

Saint-Cyr is a French surname. Notable people with the surname include:

• Charles de Saint-Cyr (1875–1940), French footballer
• Claude Carra Saint-Cyr (1760–1830), French general
• Claude Saint-Cyr (1911–2002), French fashion designer
• Guillaume de Saint-Cyr, French athlete
• Jacques-Antoine de Révéroni Saint-Cyr (1767–1829), French man of letters
• Laurent, Marquis de Gouvion Saint-Cyr (1764–1830), Marshal of France

• Adolphus Frederic St. Sure (1869–1949), United States District Judge.(name anglicized)
• Cyprian St Cyr, pseudonym of Eric Berne, Canadian-American psychoanalyst and founder of Transactional Analysis
• John St. Cyr (1936-2022), American politician and judge
• Johnny St. Cyr (1890–1966), American banjoist
• Jordan St. Cyr, Canadian recording artist
• Lili St. Cyr (1918–1999), pseudonym of Willis Marie Van Schaac, prominent American burlesque stripper