William Trotter

William Trotter may refer to:
 * Bill Trotter (William Felix Trotter, 1908–1984), major league baseball pitcher
 * William Monroe Trotter (1872–1934), American newspaper editor and civil rights activist
 * William R. Trotter (1943–2018), American author and historian
 * William T. Trotter, American mathematician
 * William Trotter (cabinet-maker) (1772–1833), Scottish furniture maker and Lord Provost of Edinburgh, 1825–27