Clancey is a surname. Notable people with the surname include:
George Clancey (1881–1921), American actor Julia Clancey (early 21st c.), London-based fashion designer Margaret Clancey (1897–1989), American film editor Phillip Clancey (1917–2001), British-South African ornithologist William Clancey (born 1952), American computer scientist
See also Clancy Clancee