| Reservation River | |
| Pushpin Map: | Minnesota |
| Pushpin Map Caption: | Mouth of the Reservation River |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Minnesota |
| Subdivision Type3: | County |
| Subdivision Name3: | Cook County |
| Discharge1 Location: | Lake Superior |
| Source1 Location: | Swamp Lake |
| Mouth Location: | Lake Superior |
| Mouth Coordinates: | 47.8747°N -89.8589°W |
The Reservation River is a river of Minnesota. It lies in the far northeast corner of the state, near the border with Canada. It flows from Swamp Lake on the western edge of the Grand Portage Indian Reservation south to Lake Superior.[1]