Frederick Simpson

• Frederick Simpson (boxer), British boxer who competed in the 1936 Summer Olympics
• Frederick Simpson (athlete), Mississauga Ojibway Canadian athlete
• Frederick Simpson (historian), historian and fellow of Trinity College, Cambridge
• Fred Simpson (politician), British Labour Party politician, MP for Ashton-under-Lyne 1935–1939
• Freddy Simpson, English footballer for Lincoln City
• Fred Simpson, coach for Rangers A.F.C. in Christchurch, New Zealand