Template:Defunct OHL

Brantford Alexanders • Barrie Flyers • Brantford Lions • Galt Black Hawks • Galt Canadians • Galt Red Wings • Galt Rockets • Guelph Biltmore Mad Hatters • Guelph Indians • Guelph Royals • Hamilton Fincups • Hamilton Lloyds • Hamilton Majors • Hamilton Red Wings • Hamilton Szabos • Hamilton Tiger Cubs • Hamilton Whizzers • Kitchener Canucks • Kitchener Greenshirts • Kingston Canadians • London Nationals • Montreal Junior Canadiens • Niagara Falls Flyers • Oshawa Generals^† • Owen Sound Greys • Port Colborne Recreationists • St. Catharines Black Hawks • St. Catharines Falcons • St. Catharines Fincups • St. Catharines Teepees • Stratford Kroehlers • Stratford Midgets • Toronto Aura Lee • Toronto Lions • Toronto Marlboros • Toronto Native Sons • Toronto St. Michael's Majors • Toronto Varsity Blues • Toronto Young Rangers • Waterloo Hurricanes • West Toronto Nationals • Windsor Spitfires^†

† Formerly defunct franchise, currently active; ‡ Franchise transferred into OHA.