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 (1932–2017), American businessman and former mayor of Rochester, Minnesota Clarke Canfield, American journalist Dave Canfield, Canadian politician Donald Canfield (born 1958), geologist Dorothy Canfield Fisher (1879–1958), American educational reformer Francesca Anna Canfield (1803–1833), American linguist, poet, translator 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 (1919–2000), former Canadian politician Judson Canfield (1759–1840), Connecticut state legislator and state court judge Kid Canfield (1878–1935), American gambler and confidence trickster, real name George Washington Bonner 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 Robert R. Canfield (1909–1994), American politician and lawyer Sean Canfield, American footballer Trevor Canfield (born 1986), American footballer William Canfield, American medical researcher