Calgary Roller Derby is a not-for-profit women's flat-track roller derby league based in Calgary, Alberta, Canada. Calgary Roller Derby is a member of the Women's Flat Track Derby Association (WFTDA).

The Women's Flat Track Derby Association Apprentice was the program affiliate of the Women's Flat Track Derby Association (WFTDA). In operation from 2009 until early 2019, the Apprentice Program served to onboard new member leagues into the WFTDA. In February 2019, the WFTDA announced it was retiring the program, to be replaced with a new "New Member Program" in the near future.