Harry Peter Cavers (27 December 1909 – 7 December 1995) was a Liberal party member of the House of Commons of Canada, barrister and judge. He was born in St. Catharines, Ontario. The son of Harry A. Cavers and Mabel Laura Lyons, he was educated in St. Catharines and at the University of Toronto and Osgoode Hall. Cavers was called to the Ontario bar in 1935 and practised law in St. Catharines. He was named Queen's Counsel in 1961. Cavers served as a lieutenant in the Royal Canadian Naval Volunteer Reserve from 1942 to 1945.