Cy (given name)

Cy is a masculine given name, often a short form (hypocorism) of Cyril, Cyrus or Seymour, and a nickname. It may refer to:

• Cy Chadwick (born 1969), English actor, director, producer and presenter
• Seymour Cy Coben (1919–2006), American songwriter
• Cy Coleman (1929–2004), American composer, songwriter and jazz pianist born Seymour Kaufman
• Cy Curnin (born 1957), British singer, songwriter, and musician
• Cyril Cy Endfield (1914–1995), American screenwriter, film and theatre director, author, magician and inventor
• Seymour Cy Feuer (1911–2006), American theatre producer, director, composer and musician
• Cy Gavin (born 1985), American artist
• Cyril Cy Grant (1919–2010), Guyanese actor, musician, writer and poet
• Cyrus Cy Hungerford (1889–1983), American editorial cartoonist
• Cyrus Cy Kendall (1898–1953), American actor
• Cy Kuckenbaker, American filmmaker
• Cyril Cy Laurie (1926–2002), English jazz clarinetist and bandleader
• Seymour Cy Leslie (1922–2008), founder of Pickwick Records and first president and founder of MGM/UA Home Entertainment Group
• Seymour Cy Schindell (1907–1948), American actor
• Cyril Cy Touff (1927–2003), American jazz bass trumpeter
• Edwin Cy Twombly, Jr. (1928–2011), American painter, sculptor and photographer
• Cyril Cy Walter (1915–1968), American café society pianist

• Richard Cy LeBlanc (born 1955), Canadian politician
• Cyril Sherwood (1915–1996), Canadian politician
• Cy Thao (born 1972), Laotian-born American politician

• Cecilio Cy Acosta (born 1946), Mexican former Major League Baseball pitcher
• Frederick Cy Alberts (1882–1917), American Major League Baseball pitcher in 1910
• Eros Cy Barger (1885–1964), American Major League Baseball pitcher
• Clytus Cy Bentley (1850–1873), American Major League Baseball pitcher
• Darrell Cy Blanton (1908–1945), American Major League Baseball pitcher
• Seymour Cy Block (1919–2004), American Major League Baseball player
• Cyril Cy Buker (1918–2011), American Major League Baseball pitcher in 1945
• Arthur Cy Fried (1897–1970), American Major League Baseball pitcher in 1920
• William Cy Moore (1905–1972), American Major League Baseball pitcher
• Harry Cy Morgan (1878–1962), American Major League Baseball pitcher
• Cyril Cy Morgan (1920s pitcher) (1895–1946), American Major League Baseball pitcher
• Ralph Cy Perkins (1896–1963), American Major League Baseball player, coach and manager
• Kenneth Cy Rheam (1893–1947), American baseball player
• James Cy Seymour (1872–1919), American Major League Baseball player and general manager and vice president of the Cleveland Indians
• Cyril Cy Slapnicka (1886–1979), American Major League Baseball pitcher and executive
• Edwin Cy Twombly (baseball) (1897–1974), American Major League Baseball pitcher in 1921
• Henry Cy Vorhees (1874–1910), American Major League Baseball pitcher in 1902
• Wallace Cy Warmoth (1893–1957), American Major League Baseball pitcher
• Frederick Cy Williams (1887–1974), American Major League Baseball player
• Ceylon Cy Wright (1893–1947), American Major League Baseball player in 1916
• Denton Cy Young (1867–1955), American Major League Baseball Hall-of-Fame pitcher

• Cyril Cy Denneny (1891–1970), Canadian National Hockey League player
• Cyril Cy Thomas (1926–2009), Welsh-born National Hockey League player
• Marvin Wentworth (1904–1982), Canadian National Hockey League player

• Cy Alexander (born 1953), American college basketball head coach
• Charles Cy Casper (1912–1968), American National Football League player
• Cy Marshall (1902–1974), American race car driver
• Jack Cy McClairen (1931–2020), American former National Football League player and college football and basketball head coach
• Shirley Cy Wentworth (American football) (1904–1986), American National Football League player
• Burton Cy Williams (American football) (1903–1965), American Football League and National Football League player
• Cy Young (athlete) (1928–2017), American javelin thrower, 1952 Olympic champion
• Harry Young (American football) (1893–1977), American college football and basketball player and head coach, and sprinter, member of the College Football Hall of Fame

• Salim L. Lewis (1908–1978), American business executive, managing partner of Bear, Stearns & Company