Chancy is a surname. Notable people with the surname include:

Adeline Magloire Chancy (born 1931), Haitian educator, feminist, and politician Cholzer Chancy (born 1967), Haitian politician François de Chancy (1600–1656), French lutenist and composer Max Chancy (1928–2002), Haitian intellectual, labor leader, and political activist Myriam J. A. Chancy (born 1970), Haitian-Canadian-American writer

See also Clancy