Boston Roller Derby, (BRD), is a flat-track roller derby league based in Boston, Massachusetts. The league was founded as Boston Derby Dames in May 2005, and is a founding member of the Women's Flat Track Derby Association (WFTDA). The league's all-star team, the Boston Massacre, was one of the top 25 WFTDA Division 1 teams in the world through most of the duration of the divisional ranking system introduced in early 2013, and as of December 31, 2015, the Massacre was ranked at 21. Boston won the WFTDA Division 2 Championship in 2017 and the North America East Continental Cup in 2018.

Providence Roller Derby (PRD) is a women's flat track roller derby league based in Providence, Rhode Island. Founded in 2004 as the first all-female flat-track roller derby league in New England, Providence is a founding member of the Women's Flat Track Derby Association (WFTDA).