William Coyle

William, Bill or Billy Coyle may refer to:


 * William R. Coyle (1878–1962), U.S. Representative from Pennsylvania
 * William J. Coyle (1888–1977), Lieutenant Governor of Washington
 * Bill Coyle (baseball), pitcher in Major League Baseball
 * Bill Coyle (poet), American poet and translator
 * Billy Coyle (footballer) (born 1926), English footballer
 * Billy Coyle, candidate in the United States House of Representatives elections in Oklahoma, 2010