The Whitefish River is an 11.9-mile-long (19.2 km)[1] river on the Upper Peninsula of the U.S. state of Michigan. The mouth of the river is in Delta County at on the Little Bay De Noc of Lake Michigan. The main branch of the river is formed by the confluence of the east and west branches at .
The east branch rises out of Trout Lake in southwest Alger County. The west branch rises in southeast Marquette County.