Faul is a surname. Notable people with the surname include:
Adam Faul (1929–2016), Canadian boxer
Bill Faul (1909–1974), Australian rules footballer
Bill Faul (baseball) (1940–2002), American baseball pitcher from Cincinnati, Ohio
Denis Faul (1932–2006), Irish Roman Catholic priest
Jan Faul (born 1945), American photographer
Margaret Faul (fl. 1990s–present), American chemist
