William Eaton

William Eaton or Bill Eaton may refer to:


 * William Eaton (soldier) (1764–1811), United States Army soldier during the Barbary Wars
 * William Eaton (athlete) (1909–1938), British long-distance runner
 * William Eaton (guitarist), American luthier and guitar player
 * William Eaton (scientist), American biophysicist
 * William W. Eaton (1816–1898), politician from Connecticut
 * William Eaton, 2nd Baron Cheylesmore (1843–1902), collector of English mezzotint portraits
 * William R. Eaton (1877–1942), U.S. Representative from Colorado
 * William J. Eaton (1930–2005), American journalist
 * William A. Eaton (born 1952), U.S. diplomat
 * William M. Eaton (1856–1923), American businessman
 * William W. Eaton (epidemiologist), epidemiologist and psychiatrist, winner of the 2000 Rema Lapouse Award