Fentiman is a surname. Notable people with the surname include:
Alfred Fentiman (1867–1943), British sportsman Audeen W. Fentiman (), American engineer Brian Fentiman (1947–2019), British lightweight rower Michael Fentiman (born 1982), British theatre director Shannon Fentiman (born 1983/1984), Australian politician
See also Fentimans, brewery in England