The Willow River is a tributary of the Fraser River in the north-central Interior of British Columbia, Canada. It enters the Fraser at the community of Willow River, just upstream from the city of Prince George, near the confluence of the McGregor River. Its source is in the Cariboo goldfields at Jack of Clubs Lake in the mining and arts community of Wells, British Columbia, near Barkerville.

Willow River is a community located on the Canadian National Railway northeast of Prince George, British Columbia.