Hugh Llewellyn Keenleyside, CC (7 July 1898 – September 27, 1992) was a Canadian university professor, diplomat, and civil servant. He was the Canadian ambassador to Mexico from 1944 to 1947, and the commissioner of the Northwest Territories from January 14, 1947 to September 15, 1950.Shelagh D. Grant "Hugh Llewellyn Keenleyside: Commissioner of the Northwest Territories, 1947-1950." Arctic 43.1 (1990): 80-82.
