Fagg is a surname. Notable people with the surname include:
Arthur Fagg, (1915–1977), English cricketer Bernard Fagg (1915–1987), British archaeologist and museum curator Fred D. Fagg, Jr., President of the University of Southern California from 1947 to 1957 Fred D. Fagg III (1934–2002), law school dean George Gardner Fagg (1934–2015), US federal judge Harrison Fagg (born 1931), American politician Jimmy Fagg (1929–2010), English stand-up comedian, musician and actor Sir John Fagg, 1st Baronet (1627–1701), English politician Keith Fagg (born 1955), Australian businessman and politician Kenneth S. Fagg (1901–1980), American commercial artist Peter Fagg (1837–1917), American politician Russell Fagg, (born 1960), American judge and politician Thomas Fagg, English MP William Buller Fagg (1914–1992), British art historian and museum keeper
See also Mae Faggs (1932–2000), American athlete