King's Highway 64, commonly referred to as Highway 64, is a provincially maintained highway in the Canadian province of Ontario, connecting Highway 69 north of the French River with Highway 11 at Marten River, via Highway 17 west of Sturgeon Falls. The route serves several communities along the north shore of the French River and west shore of Lake Nipissing as it travels from Highway 69 to Highway 17. North of Sturgeon Falls, the highway provides a shortcut between Highway 17 and Highway 11 northwest of North Bay.