Canfield is a surname. Notable people with the surname include:
Benet Canfield (1562–1611), English mystic
Brady Canfield (born 1963), American skeleton racer
Cass Canfield (1897–1986), American publishing executive
Charles A. Canfield (1848–1913), American oilman and real estate developer
Chuck Canfield (born 1932), American businessman and former mayor of Rochester, Minnesota
Clarke Canfield, American journalist
Dave Canfield, Canadian politician
Dennis Canfield (born 1980), American ice hockey coach
Donald Canfield (born 1958), geologist
Dorothy Canfield Fisher (1879–1958), American educational reformer
Glenn Canfield, Jr. (1935–2006), American metallurgist and businessman
Gordon Canfield (1898–1972), American lawyer and politician
Harry C. Canfield (1875–1945), US Representative from Indiana
Jack Canfield (born 1944), American motivational speaker
James Hulme Canfield (1847–1909), 4th. President of Ohio State University
Jean Canfield (born 1918), former Canadian politician
Mary Grace Canfield (1924-2014), American actress
Matthew Canfield (1604 – 1673), founding settler of Norwalk, Connecticut and Newark, New Jersey
Richard Albert Canfield (1855–1914), American businessman, art dealer and gambler
Sean Canfield, American footballer
Trevor Canfield (born 1986), American footballer
William Canfield, American medical researcher
