William Nolan
William, Bill or Billy Nolan may refer to:
- William Nolan (bishop), Archbishop of Glasgow, Scotland
- William F. Nolan, American author of science fiction, fantasy and horror
- William I. Nolan, U.S. representative from Minnesota
- William T. Nolan, Canadian-born architect who worked in New Orleans, Louisiana
- Bill Nolan (animator), Irish-American animated cartoon writer, animator, director, and artist
- Bill Nolan (footballer, born 1888), Australian rules footballer for Richmond
- Bill Nolan (footballer, born 1927), Australian rules footballer for Collingwood
- Bill Nolan (footballer, born 1929), Australian rules footballer for South Melbourne
- Billy Nolan (character), antagonist in US author Stephen King's 1974 horror novel Carrie
- Billy Nolan (hurler), Irish hurler