Contoocook may refer to a place name in New Hampshire, the United States:
The Contoocook River, a tributary of the Merrimack River Contoocook, New Hampshire, a village in the town of Hopkinton, named for the river Contoocook Railroad Bridge, oldest surviving covered railroad bridge Contoocook Railroad Depot, restored railroad depot in Contoocook, New Hampshire Contoocook Lake in Jaffrey and Rindge, New Hampshire, the source of the river USS Contoocook (1864), a U.S. Navy vessel during the American Civil War