Dennis Gordon Patterson (born January 9, 1950) is a Canadian former professional ice hockey defenceman who played in the National Hockey League, World Hockey Association, and American Hockey League.
Patterson was born in Peterborough, Ontario. He played minor ice hockey in Peterborough and went to the 1962 Quebec International Pee-Wee Hockey Tournament with his youth team.
Patterson played three seasons in the National Hockey League (NHL) for the Kansas City Scouts and Philadelphia Flyers and one season in the World Hockey Association (WHA) for the Edmonton Oilers between 1974 and 1980. The rest of his career lasted from 1970 to 1983 and was spent in the minor leagues, mainly the American Hockey League. He is currently a scout for the Flyers.