| skos:altLabel | - Ontario
- Aurora Barbarians
- TRU
- ORU
- Barrie
- Ajax Wanderers
- Brantford Harlequins
- Ajax Wanderers RFC
- Alliston Timberwolves
- Balmy Beach
- Balmy Beach RFC
- Belleville Bulldogs RFC
- Brantford Harlequins RFC
- Bytown Blues
- Coburg Saxons
- Guelph Redcoats
- Irish Canadians RFC
- Lindsay RFC
- Markham Irish RFC
- Mississauga Blues
- Oakville Crusaders
- Ontario Blues Rugby Football Club
- Oshawa Vikings
- Oshawa Vikings RFC
- Peterborough Pagans
- Rugby Ontario
- Stoney Creek RFC
- Toronto Nomads RFC
- Toronto Saracens
- Toronto Scottish RFC
- Wilmot Warthogs
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