William or Bill Ashton may refer to:
Bill Ashton (jazz musician) (1936–2025), British jazz musician Brian Ashton (rugby union) (born 1946), full name William Brian Ashton William Howard Ashton (born 1943), real name of Billy J. Kramer, English singer Will Ashton (1881–1963), British-Australian artist William Ashton (MP) (1575–1646), British Member of Parliament for Hertford, 1621–1625 and Appleby 1626, 1628 William Ashton, Chief Engineer of the Oregon Short Line Railroad (fl. c. 1881), after whom the city of Ashton, Idaho was named William E. Ashton (1859–1933), American gynaecologist and Army officer during World War I