William Coyle
William, Bill or Billy Coyle may refer to:
- William R. Coyle, U.S. Representative from Pennsylvania
- William J. Coyle, Lieutenant Governor of Washington
- Bill Coyle, pitcher in Major League Baseball
- Bill Coyle, American poet and translator
- Billy Coyle , English footballer
- Billy Coyle, candidate in the United States House of Representatives elections in Oklahoma, 2010