Katherine Hughes

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 (born 1947), American TV personality
 * Kathryn Hughes (born 1959), British historian, journalist and biographer
 * Catherine Andrea Hughes, Guyanese politician
 * Katherine Hughes (actress) (born 1995), American actress
 * Kate Hughes, fictional character on Emmerdale
 * Catherine Hughes Building, a building of Somerville College, Oxford