Quinnesec is an unincorporated community in Dickinson County in the U.S. state of Michigan. It is a census-designated place (CDP) for statistical purposes and has no legally recognized status as a municipality. The population was 1,191 at the 2010 census. It is part of the Iron Mountain, MI–WI Micropolitan Statistical Area.
Quinnesec is in Breitung Charter Township on the Menominee River, which forms the boundary with Wisconsin. It is on U.S. Highway 2 about 3 miles (5 km) east of Iron Mountain and 3 miles (5 km) west of Norway at 45°48′23″N 87°59′18″W / 45.80639°N 87.98833°W / 45.80639; -87.98833. The ZIP code is 49876.