John Clifford may refer to:
- John Clifford (MP fl.1372), MP for Gloucestershire (UK Parliament constituency)
- John Clifford (minister) (1836–1923), British nonconformist minister and politician
- John Clifford, 7th Baron de Clifford (1389-1422), also 7th Lord of Skipton
- John Clifford, 9th Baron de Clifford (1435–1461), also 9th Lord of Skipton, Lancastrian military leader during the Wars of the Roses
- John David Clifford, Jr. (1887–1956), United States District Judge for the District of Maine
- John H. Clifford (1809–1876), Governor of Massachusetts
- J. R. Clifford (1848–1933) a.k.a. John Robert Clifford, West Virginia’s first African-American attorney
- John Clifford (choreographer)
- John Clifford Strong (born 1922), Governor of the Turks and Caicos
- John Clifford Valentine Behan, warden of Trinity College
- Johnny Clifford, Irish hurler
Famous quotes by john clifford:
“I don’t belong in the world. That’s what it is. Something separates me from other people.”
—John Clifford, U.S. screenwriter, and Herk Harvey. Mary Henry (Candice Hilligoss)