Pigeon River may refer to the following streams in the U.S. state of Michigan:Pigeon River, in Huron County in the Thumb of Michigan, flowing west and north into the Saginaw Bay of Lake Huron Pigeon River, with headwaters in Otsego County, flowing mostly northward through Montmorency and Cheboygan counties into Mullett Lake South Branch Pigeon River, a tributary of the Pigeon River in Otsego County Pigeon River, rising in Ottawa County's Olive Township, flowing east to west into Pigeon Lake and then Lake Michigan at Port Sheldon Pigeon River, rising in northern Indiana and flowing mostly westward through southern Michigan into the St. Joseph River near the Michigan-Indiana border northwest of Elkhart, Indiana