Moncrief is a surname. Notable people with the surname include:
Brianne Moncrief (born 1983), American actressDonte Moncrief (born 1993), American football playerJames Moncrief (1741–1793), British military engineerMike Moncrief, American politician in TexasRaleigh Moncrief, American musicianSidney Moncrief (born 1957), American basketball playerVincent Moncrief, American mathematician and physicistWilliam Moncrief (born 1920), American businessmanZac Moncrief (born 1971), American animator