Carp River is the name of several rivers in the U.S. state of Michigan.
- Carp River (Gogebic-Ontonagon counties), in the Porcupine Mountains empties into Lake Superior at
- Carp River (Luce County), empties into Lake Superior at near the Crisp Point Light.
- Carp River (Mackinac County), a federally designated Wild and Scenic River in the Upper Peninsula flowing into St. Martin Bay on Lake Huron
- Carp River (Marquette County), empties into Lake Superior in Marquette at
- Leland River, in Leelanau County, was formerly known as Carp River.
- Threemile Creek, in Luce County, was formerly known as Carp River.
- Waiska River, in Chippewa County, was formerly known as Carp River.
- The Marquette, Michigan post office was established on January 12, 1847 as Carp River. The name changed to Marquette on April 17, 1856.
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