By September 2011, there were more than 1,000 amateur leagues on every inhabited continent, in countries such as Canada, Australia, the United Kingdom, New Zealand, Germany, Belgium, Finland, Sweden and Singapore. Canadian roller derby leagues may join the Canadian Women's Flat Track Roller Derby Association (CWRDA), which in January 2012 will rename itself the Roller Derby Association of Canada (RDAC).
Outside of the United States, many roller derby leagues enjoy support from their national skate federations such as Skate Australia, and Roller Sports Canada.
Contemporary roller derby has a basic set of rules, with variations reflecting the interests of a governing body's member leagues. The Women's Flat Track Derby Association (WFTDA), which is used by the majority of leagues around the world. For example, members of the United Kingdom Roller Derby Association are required to play by WFTDA rules, while members of the Canadian Women's Roller Derby Association are encouraged to join the WFTDA.
Abbotsford, British Columbia – Reign Valley Vixens
Alliston, Ontario – Renegade Derby Dames
Brantford, Ontario – Belle City Roller Girls
Barrie, Ontario – South Simcoe Rebel Rollers
Calgary, Alberta – Calgary Roller Derby Association
Calgary, Alberta - Chinook City Roller Derby League
Chilliwack, British Columbia – Voodoo Derby Dollz Roller Derby Association
Cold Lake and Bonnyville, Alberta – Lakeland Ladykillers Roller Derby League
Edmonton, Alberta – E-Ville Roller Derby
Edmonton, Alberta – Oil City Derby Girls
Fredericton, New Brunswick – Capital City Rollers
Halifax, Nova Scotia – Anchor City Rollers
Hamilton, Ontario – Hammer City Roller Girls
Kelowna, British Columbia – (see Okanagan Roller Derby Girls)
Kamloops, British Columbia – (see Tournament City Derby Dolls)
Kitchener-Waterloo Area, Ontario – Tri-City Roller Derby
Kingston, Ontario – Limestone CrusHers Roller Derby
Kingston, Ontario – Kingston Derby Girls
Guelph, Ontario – Royal City Roller Girls
Lacombe, Alberta - Central Alberta Roller Derby
London, Ontario – Forest City Derby Girls
London, Ontario – LOCO Roller Derby
Medicine Hat, Alberta – Gas City Rollers
Moncton, New Brunswick – Muddy River Rollers
Montreal, Quebec – Montreal Roller Derby
Okanagan, British Columbia – Okanagan Roller Derby Girls (Kelowna Peach Tarts)
Okanagan/Shuswap, British Columbia – Okanagan Shuswap Roller Derby
Ottawa, Ontario – Capital City Derby Dolls
Ottawa, Ontario – Ottawa Roller Derby
Ottawa, Ontario – Rideau Valley Roller Girls
PEI - Red Rock 'n' Roller Derby
Prince George, British Columbia – Rated PG Rollergirls
Quebec City, Quebec – Roller Derby Québec
Red Deer, Alberta – Red Deer Roller Derby Association
Regina, Saskatchewan – Queen City Roller Sports, Pile O' Bones Derby Club
Saint John, New Brunswick – Fog City Rollers
Saskatoon, Saskatchewan – Saskatoon Roller Derby League
St. Albert, Alberta – St. Albert Heavenly Rollers
St. Catharines, Ontario - Niagara Roller Girls
St. John's, Newfoundland – 709 Roller Derby (2010 – present)
Sudbury, Ontario – Nickel City Roller Derby
Stratford, Ontario – LOCO Roller Derby
Sunshine Coast, British Columbia – Sunshine Coast Roller Girls
Toronto, Ontario – Toronto Junior Roller Derby
Toronto, Ontario – GTA Rollergirls
Toronto, Ontario – Toronto Roller Derby
Toronto, Ontario – Toronto LOCO Roller Derby
Vancouver, British Columbia – Terminal City Roller Girls
Victoria, British Columbia – Victoria Rollergirls
Victoria, British Columbia – Eves of Destruction
West Kootenays, British Columbia – West Kootenay Roller Derby
Wetaskiwin, Alberta – Rez City Rollers
Whitehorse, Yukon – Yukon Roller Girls (2010–present)
Williams Lake, British Columbia – Lake City Derby Girls
Winnipeg, Manitoba – Winnipeg Roller Derby League
Roller derby in Canada Wikipedia (Text) CC BY-SA