Derek Bell may refer to:
Sports
- Derek Bell (baseball) (born 1968), American baseball player
- Derek Bell (footballer, born 1956), English former professional footballer
- Derek Bell (footballer, born 1963), English former professional footballer
- Derek Bell (racing driver) (born 1941), British racing car driver
Other
- Derek Bell (musician) (1935–2002), Northern Irish musician and composer
- Derek Bell (physician), professor of acute medicine