William Gunn
William or Bill Gunn may refer to:
- Bill Gunn (footballer, born 1932), Australian rules footballer for South Melbourne and Williamstown
- Bill Gunn (footballer, born 1899), Australian rules footballer for South Melbourne
- Bill Gunn (Queensland politician, born 1895), member of the Queensland Legislative Assembly for Wynnum
- Bill Gunn (Queensland politician, born 1920), Australian politician and former Queensland Deputy Premier
- Bill Gunn (Massachusetts politician), Massachusetts candidate for United States House of Representatives
- Bill Gunn (writer), American playwright, novelist, actor and film director
- Billy Gunn, American professional wrestler
- Will A. Gunn, American lawyer, former officer in the American armed forces
- William Gunn (cricketer), English Test cricketer and footballer
- William Gunn (writer), English miscellaneous writer
- William Gunn (physician), Florida's first black doctor
- William T. Gunn, United Church of Canada minister
- William Alphonsus Gunn, English evangelical cleric
- William Archer (Bill) Gunn, also known as Sir William Gunn, Australian grazier and wool industry leader
- William Gunn, Scottish runner