Teams
4,979 teams
| Team ▲ | Location | Genus | Domain | Type | League | Est. |
|---|---|---|---|---|---|---|
| Ithaca League of Women Rollers | Ithaca, NY | Women's | USA | Travel Team | — | — |
| Jabatas Roller Derby | Ourense, Spain | Women's | Europe | Travel Team | — | — |
| Jackson Hole Juggernauts | Jackson, WY | Women's | USA | Travel Team | — | 2011 |
| Jacksonville Junior Roller Derby | Jacksonville, FL | Junior | USA | Travel Team | — | 2012 |
| Jacksonville Roller Derby | Jacksonville, FL | Women's | USA | Travel Team | — | — |
| Jackson Wardens | — | Women's | USA | Home Team | River City Roller Derby | 2012 |
| Jack Town Derby Girls | Jackson, MI | Women's | USA | Travel Team | — | — |
| Jaibronas Roller Derby Tampico Madero | — | Women's | Latin America | Home Team | Liga Tamaulipas Roller Derby | — |
| Jailbreak Betties | — | Women's | USA | B Team | Tallahassee Roller Derby | — |
| Jailhouse Rockers | — | Women's | Europe | Home Team | Nantes Roller Derby | — |
| Jakey Tayzers | Dundee, UK | Open Gender | Europe | Exhibition Team | — | — |
| Jammin' Jukin' Juniors | — | Junior | USA | B Team | NEO Junior Derby | — |
| Jamwaiantropic | — | Women's | Latin America | Exhibition Team | 2x4 Roller Derby | — |
| Jane Deere | — | Women's | Canada | B Team | Calgary Roller Derby | — |
| Jawbreakers | — | Women's | USA | Home Team | Apple City Roller Derby | — |
| Jax Rex | — | Women's | USA | B Team | Jacksonville Roller Derby | 2014 |
| JCRD | — | Women's | USA | Exhibition Team | Junction City Roller Derby | — |
| Jefferson State Roller Derby | Mount Shasta, CA | Women's | USA | Travel Team | — | — |
| Jersey Boys Roller Derby | Springfield, NJ | Men's | USA | Travel Team | — | 2013 |
| Jersey Brawl | — | Women's | USA | Exhibition Team | — | — |
| Jersey City Bridge & Pummel | — | Women's | USA | Home Team | Garden State Roller Derby | — |
| Jersey Junior Roller Derby | Jackson, NJ | Junior | USA | Travel Team | — | 2012 |
| Jersey Shore Roller Derby | Asbury Park, NJ | Women's | USA | Travel Team | — | — |
| Jerzey Derby Brigade | Morristown, NJ | Women's | USA | Travel Team | — | 2010 |
| Jesse Janes | — | Women's | USA | Home Team | Blacksnake Roller Girls | 2013 |
| Jet City Roller Derby | Everett, WA | Women's | USA | Travel Team | — | — |
| Jewel City Rollergirls | — | Women's | USA | B Team | Chemical Valley Roller Derby | — |
| Jewish Roller Derby | — | Women's | USA | Exhibition Team | — | — |
| Jimmy Rustlers | Buenos Aires, Argentina | Women's | Latin America | Travel Team | — | 2023 |
| Jimmy Rustlers (M) | Buenos Aires, Argentina | Open Gender | Latin America | Travel Team | — | 2016 |
| Joensuu Roller Derby | Joensuu, Finland | Women's | Europe | Travel Team | — | — |
| Joint Base Lewis-McChord Bettie Brigade | Tacoma, WA | Women's | USA | Travel Team | — | 2010 |
| Joint Base Lewis-McChord Junior | Fort Lewis, WA | Junior | USA | Travel Team | — | — |
| Jokers in the Pack | — | Women's | Latin America | Home Team | MXRD (Womens) | — |
| JoKu Seinä | Joensuu/Kuopio/Seinäjoki, Finland | Women's | Europe | Travel Team | — | — |
| Joon Cleavers | — | Women's | USA | Home Team | Desert Dolls Roller Derby | — |
| Jr. Nor Cal Roller Girls | Chico, CA | Junior | USA | Travel Team | — | 2010 |
| Jr. Warriors | — | Junior | USA | Travel Team | — | — |
| J-Town Roller Girls | Johnstown, PA | Women's | USA | Travel Team | — | 2013 |
| Juarez Roller Derby | Ciudad Juárez, Chihuahua, Mexico | Women's | Latin America | Travel Team | — | 2012 |
| Juggernauts | — | Women's | USA | B Team | Green Mountain Roller Derby | — |
| Junction City Roller Derby | Ogden, UT | Women's | USA | Travel Team | — | — |
| Juneau Extra Roughs | — | Women's | USA | B Team | Juneau Roller Girls | — |
| Juneau Roller Girls | Juneau, AK | Women's | USA | Travel Team | — | 2010 |
| June's Cleavers | — | Women's | USA | Home Team | Slaughterhouse Derby Girls | — |
| Junior Roller Derby of Long Beach | Long Beach, CA | Junior | USA | Travel Team | — | 2011 |
| Junkyard Dolls | — | Women's | USA | Home Team | Charm City Roller Derby | — |
| Just6 League | Poitou-Charentes Limousin, France | Women's | Europe | Travel Team | — | — |
| JXN Roller Derby | Jackson, MS | Women's | USA | Travel Team | — | 2008 |
| Jyväskylä Roller Derby | Jyväskylä, Finland | Women's | Europe | Travel Team | — | 2011 |
| Ka Boom | — | Women's | USA | Exhibition Team | — | — |
| KaErLe | — | Women's | Europe | Exhibition Team | — | 2016 |
| Kahnawake Roller Derby | Kahnawake, QC, Canada | Women's | Canada | Travel Team | — | — |
| Kaiserslautern Roller Derby | Kaiserslauten, Germany | Women's | Europe | Travel Team | — | — |
| Kajaani Roller Derby | Kajaani, Finland | Women's | Europe | Travel Team | — | — |
| Kalamazoo All-Gender | — | Open Gender | USA | B Team | Kalamazoo Roller Derby | 2021 |
| Kalamazoo Men's Roller Derby | Kalamazoo, MI | Men's | USA | Travel Team | — | — |
| Kalamazoo Roller Derby | Kalamazoo, MI | Women's | USA | Travel Team | — | — |
| Kallio Mixed | — | Women's | Europe | Exhibition Team | Kallio Rolling Rainbow | — |
| Kallio Rolling Rainbow | Helsinki, Finland | Women's | Europe | Travel Team | — | — |
| Kalmar Union | — | Men's | Europe | Exhibition Team | — | — |
| Kamikaze Badass Roller Derby Japan | Yokohama, Japan | Women's | Pacific | Travel Team | — | 2016 |
| Kamikazes Roller Derby | Berazategui, Buenos Aires, Argentina | Women's | Latin America | Travel Team | — | 2012 |
| Kampeska Krushers Derby Dames | Watertown, SD | Women's | USA | Travel Team | — | 2013 |
| Kannapolis Rollergirls | Kannapolis, NC | Women's | USA | Travel Team | — | 2011 |
| Kansas All-Stars | — | — | — | Exhibition Team | — | — |
| Kansas City Roller Warriors | Kansas City, KS | Women's | USA | Travel Team | — | 2004 |
| Kansas City Roller Warriors Junior Derby | Kansas City, MO | Junior | USA | Travel Team | — | 2010 |
| Kapiti Coast Derby Crew | Waikanae, New Zealand | Women's | New Zealand | Travel Team | — | 2013 |
| Karlstad Roller Derby | Karlstad, Sweden | Women's | Europe | Travel Team | — | — |
| Kassel Roller Derby | Kassel, Germany | Women's | Europe | Travel Team | — | — |
| Katanas | — | Women's | Australia | B Team | Coastal Assassins Roller Derby | — |
| K City Rollers | — | Women's | Canada | Home Team | Okanagan Roller Derby | — |
| KC Men's Roller Derby | Kansas City, MO | Men's | USA | Travel Team | — | 2010 |
| K-County Junior Roller Derby | USA | Junior | USA | Travel Team | — | — |
| KCRW Plan-B | — | Women's | USA | B Team | Kansas City Roller Warriors | — |
| Kelpies | — | Women's | USA | B Team | Patuxent Roller Derby | — |
| Kemper Roller Derby | Kemper, France | Women's | Europe | Travel Team | — | — |
| Kenora Roller Derby League | Kenora, ON, Canada | Women's | Canada | Travel Team | — | 2012 |
| Kent Men's Roller Derby | Herne Bay, UK | Men's | Europe | Travel Team | — | 2016 |
| Kent Roller Derby | Herne Bay, UK | Women's | Europe | Travel Team | — | — |
| Kentucky All-Stars | — | — | — | Exhibition Team | — | — |
| Kern County Roller Girls | Bakersfield, CA | Women's | USA | Travel Team | — | — |
| Kernow Rollers | — | Women's | Europe | Home Team | Cornwall Roller Derby | — |
| Kerr County Roller Derby | Kerrville, TX, USA | Women's | USA | Travel Team | — | 2012 |
| Kerry Kingdom Rollers | Kerry, Ireland | Women's | Europe | Travel Team | — | — |
| Ketchikan Rainforest Rollergirls | Ward Cove, AK | Women's | USA | Travel Team | — | — |
| Kettering Killas | — | Women's | Europe | B Team | Northamptonshire Roller Derby | — |
| Keweenaw Roller Derby | Hancock, MI | Women's | USA | Travel Team | — | 2012 |
| Key City Krushers | — | Women's | USA | B Team | Eastern Iowa Outlaws | — |
| Key City Roller Derby | Frederick, MD | Women's | USA | Travel Team | — | 2011 |
| Keystone Elites | — | Women's | USA | B Team | Pennsylvania Roller Derby | — |
| Keystone Roller Derby | New Cumberland, Pennsylvania, USA | Women's | USA | Travel Team | — | 2017 |
| Key West Derby Dames | Key West, FL | Women's | USA | Travel Team | — | 2013 |
| K-Hem | Kent, UK | Open Gender | Europe | Travel Team | — | — |
| Killa Bees | — | Women's | Canada | B Team | Saskatoon Roller Derby League | — |
| Killa Beez | — | Women's | USA | B Team | Sioux Falls Roller Dollz | — |
| Killa Crew | — | Women's | USA | B Team | Kalamazoo Roller Derby | — |
| Killa Geishas of Misawa | Misawa, Japan | Women's | Pacific | Travel Team | — | 2012 |
| Killamazoo Fresh Meat | — | Women's | USA | Exhibition Team | Kalamazoo Roller Derby | — |