Glengarry—Prescott—Russell is a provincial electoral district in eastern Ontario, Canada. It elects one member to the Legislative Assembly of Ontario. It was created in 1996 from parts of Prescott and Russell and Stormont—Dundas—Glengarry and East Grenville when ridings were redistributed to match their federal counterparts. In 2005, the riding lost the eastern half of South Glengarry and it also lost that part of the riding between Innes Road and Wall Road west of Trim Road. Glengarry—Prescott—Russell is a francophone-majority riding.