Bill Haley (1925–1981) was a pioneering American rock and roll musician.
Bill Haley may also refer to:
- Bill Haley (Texas politician) (born 1943), Texan legislator
- Bill Haley (Wyoming politician), Wyoming legislator
- Bill Haley (footballer), English association football midfielder
- Michael Haley (soldier), husband of politician Nikki Haley, known as Bill Haley until 1989.
Not to be confused with Bill Halley (born William H. Heagney, 1882–1955), an American songwriter of the early 20th century. ("Miss the Mississippi and You")