Creasy is a surname. Notable people with the surname include:
Edward Shepherd Creasy (1812–1878), English historian George Creasy (1895–1972), Royal Navy officer Gerald Creasy (1897–1983), British colonial administrator Kenneth Creasy (1932–1992), American politician Robert Creasy (1939–2005), American computer scientist Rosalind Creasy (born 1939), American landscape designer and author Sara Creasy (born 1968), Australian author Stella Creasy (born 1977), British Labour Co-operative politician
Fictional characters Marcus Creasy in the Man on Fire novel and sequels Christian Creasy in the 1987 Man on Fire film John Creasy in the 2004 Man on Fire film
See also Creasey (surname) Creasy Airport, in unincorporated Galveston County, Texas, United States