William Ewing

William Ewing may refer to:


 * William Lee D. Ewing (1795–1846), U.S. Senator from Illinois
 * William Maurice Ewing (1906–1974), American geophysicist and oceanographer
 * Buck Ewing (William Ewing, 1859–1906), American baseball player
 * Buck Ewing (1920s catcher) (William Monroe Ewing, 1903–1979), American baseball player
 * William L. Ewing (1843–1905), U.S. politician
 * William H. Ewing (1841–1924), American physician and politician in the Virginia House of Delegates
 * Rev. William Ewing, author of the 1910 Temple Dictionary of the Bible; see List of Bible dictionaries
 * Bill Ewing, American director and producer