Rainy City Roller Derby (RCRD) is a flat track roller derby league based in Oldham, England. Founded as Rainy City Roller Girls in 2008, the league consists of four adult teams, which compete against teams from other leagues, and a junior roller derby team, Rainy City Juniors. Rainy City is a member of the United Kingdom Roller Derby Association (UKRDA) and the Women's Flat Track Derby Association (WFTDA), and served as the host league for the 2018 Roller Derby World Cup.