John Pierce may refer to:John Davis Pierce (1797–1882), American minister and legislator John B. Pierce (1844–1917), American industrialist John M. Pierce (1886–1958), American amateur astronomer John L. Pierce (1895–1959), U.S. Army general John Reeves Pierce (1906–1943), U.S. Navy officer John R. Pierce (1910–2002), American engineer, professor, and author John J. Pierce, American science fiction editor, son of John R. Pierce John Pierce (tenor), American operatic tenor John Pierce, Australian civil servant