Clarence Addison "Pudge" MacKenzie (July 11, 1906 - June 11, 1960) was an American ice hockey player. He played 36 games in the National Hockey League with the Chicago Black Hawks during the 1932–33 season. Before playing in the NHL, MacKenzie had played at the collegiate level with Marquette and in the American Hockey Association with the Chicago Shamrocks, the and the . Afterwards, he returned to the AHA and played with the Kansas City Greyhounds, retiring in 1940. During two seasons, he was a player-coach with the team.