Douglas James Roche, OC, KCSG is a Canadian author, parliamentarian, diplomat and peace activist. Roche served as Progressive Conservative Member of Parliament (MP) for Edmonton—Strathcona from 1972 to 1979 and for Edmonton South 1979–1984. In 1984, he was appointed Canada's Ambassador for Disarmament, a position he held until 1989. He was appointed to the Senate of Canada on September 17, 1998, where he served until June 13, 2004. Currently he resides in Edmonton, Alberta.