John Clifford may refer to: John Clifford (MP fl.1372), MP for Gloucestershire 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 John Clifford (minister) (1836–1923), British nonconformist minister and politician J. R. Clifford or John Robert Clifford (1848–1933), West Virginian African-American attorney John Bayliss or John Clifford (1919–2008), British poet John R. Clifford, USDA Chief Veterinarian John Clifford (choreographer) Johnny Clifford, Irish hurler