John Clifford
John Clifford may refer to:
- John Clifford, [7th Baron Clifford], also 7th Lord of Skipton
- John Clifford, [9th Baron Clifford], also 9th Lord of Skipton, Lancastrian military leader during the Wars of the Roses
- John H. Clifford, Governor of Massachusetts
- John Clifford (minister), British nonconformist minister and politician
- J. R. Clifford or John Robert Clifford, West Virginian African-American attorney
- John David Clifford Jr., United States District Judge for the District of Maine
- John R. Clifford, American veterinarian
- John Clifford (choreographer)
- Johnny Clifford, Irish hurler