| Rapid River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | USA |
| Subdivision Type2: | State |
| Subdivision Name2: | Michigan |
| Subdivision Type3: | Region |
| Subdivision Name3: | Upper Peninsula |
| Subdivision Type4: | County |
| Subdivision Name4: | Marquette County, Delta County |
| Source1 Location: | near McFarland, southeast Marquette County, Michigan |
| Source1 Coordinates: | 46.1606°N -87.2369°W |
| Mouth: | Little Bay de Noc |
| Mouth Location: | Rapid River, Delta County, Michigan |
| Mouth Coordinates: | 45.9158°N -86.9628°W |
The Rapid River is a 35.9adj=midNaNadj=mid[1] river on the Upper Peninsula of the U.S. state of Michigan. It rises in southeast Marquette County and flows into Little Bay de Noc on Lake Michigan near the community of Rapid River.