Tongue River may refer to:
Tongue River (North Dakota), U.S. Tongue River (Montana), a tributary of the Yellowstone River, in the U.S. states of Wyoming and Montana Tongue River Dam Tongue River Indian Reservation Tongue River Reservoir State Park Tongue River Railroad, a proposed rail line Tongue River (Texas), U.S.
See also Tongue River Cave, in Dayton, Wyoming, U.S. Tongue River Member, a geologic member of the Fort Union Formation in North Dakota and Wyoming Tongue River Massacre (1820) Battle of the Tongue River, 1865 Tongue Wash, in Nevada, U.S.