Katherine or Catherine Hughes may refer to:Katherine Hughes (activist) (1876–1925), Canadian writer, archivist and political activist Catherine Hughes (diplomat) (1933–2014), British diplomat and principal of Somerville College, Oxford Cathy Hughes, American TV personality Kathryn Hughes, British historian, journalist and biographer Catherine Andrea Hughes, Guyanese politician Katherine Hughes (actress), American actress Kate Hughes, fictional character on Emmerdale Catherine Hughes Building, a building of Somerville College, Oxford