Ottawa Valley Roller Derby (OVRD) is a flat track roller derby league based in Ottawa, Ontario, Canada. The league was created from a merger in 2018 between two local leagues that had been formed in 2008: Rideau Valley Roller Derby and Capital City Derby Dolls. The originator league joined the WFTDA Apprentice Program in 2011, graduating as a full member of the Women's Flat Track Derby Association (WFTDA) in June 2012.