Williams Lake is a city in the Central Interior of British Columbia, Canada. Located in the central part of a region known as the Cariboo, it is the largest urban centre between Kamloops and Prince George, with a population of 10,832 in city limits.

Williams Lake is a lake in the city of the  same name in the Cariboo region of the Central Interior of British Columbia, Canada.   Williams Lake Indian Reserve No. 1, aka "Sugarcane Reserve" is located around the east end of the lake.  British Columbia provincial highway 97, the Cariboo Highway, runs along the lake's northern side.