James Campbell Haig (June 2, 1909 – February 5, 1980) was a Canadian Senator from Manitoba. He was born in Winnipeg, Manitoba and educated from the University of Manitoba in 1934 earning a law degree. A corporate lawyer, he became involved in politics and served as the chairman of the Winnipeg school board and was a member of the Board of Regents of United College (which later became the University of Winnipeg).