Frederick Simpson may refer to:
Frederick Simpson (boxer) (1916–1975), British boxer who competed in the 1936 Summer Olympics Frederick Simpson (athlete) (1878–1945), Mississauga Ojibway Canadian athlete Frederick Simpson (historian) (1884–1974), historian and fellow of Trinity College, Cambridge Fred Simpson (politician) (1886–1939), British Labour Party politician, MP for Ashton-under-Lyne 1935–1939 Freddy Simpson (1883–?), English footballer for Lincoln City Fred Simpson (fl. 1999), coach for Rangers A.F.C. in Christchurch, New Zealand