The Carp River is a river in Gogebic and Ontonagon counties in the U.S. state of Michigan. The Carp River is formed by the outflow of the Lake of the Clouds at in the Porcupine Mountains of the Upper Peninsula.
The river flows generally west and southwest and empties into Lake Superior near the boundary between Gogebic and Ontonagon counties at .
The river is also known as the "Big Carp River" to distinguish it from the nearby Little Carp River.
Tributaries and features (from the mouth):