Renfrew—Nipissing—Pembroke is a provincial electoral district in Ontario, Canada, that has been represented in the Legislative Assembly of Ontario since 1999. It is represented by John Yakabuski of the Progressive Conservative Party. The population of the riding in 2006 was 98,803. Renfrew—Nipissing—Pembroke includes all of Renfrew County and a small section of Nipissing District around Algonquin Provincial Park. The largest community in the riding is the city of Pembroke; other communities include Arnprior, Barry's Bay, Chalk River, Cobden, Deep River, Eganville, Killaloe, Petawawa and Renfrew.