The Dockyard Derby Dames (DyDD) is a women's flat track roller derby league based in Tacoma, Washington.

Founded in 2005, the league currently consists of three teams, and a mixed team which competes against teams from other leagues, and is a member of the Women's Flat Track Derby Association (WFTDA).

[3] It has rented practice space at the Tacoma Armory.

[4] The league was accepted into the Women's Flat Track Derby Association Apprentice Program in January 2010,[5] and became a full member of the WFTDA in December.

[6] Dockyard Derby Dames did not skate in any WFTDA-sanctioned games between May 2015 and May 2017,[7] and did not receive a year-end ranking for 2016.