Derek Williams
Derek Williams may refer to:
Sports
Association football
- Derek Williams (footballer, born 1922), English footballer for Chester City
- Derek Williams (footballer, born 1934), Welsh footballer
- Derek Williams (footballer, born 1937), English footballer for Grimsby Town
Other sports
- Derek Williams (boxer), English heavyweight boxer of the 1980s and 1990s
- Derek Williams (sportsman), former Welsh international rugby union player and first-class cricketer
Others
- Derek Williams (musician), British composer, conductor, orchestrator
- Derek Williams (filmmaker), British documentary film director and writer
- Derek Williams (art collector), Welsh collector of modern art