| Turtle River | |
| Pushpin Map: | Minnesota |
| Pushpin Map Caption: | Mouth of the Turtle River |
| Source1 Location: | Puposky Lake |
| Mouth Location: | Cass Lake |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Minnesota |
| Subdivision Type3: | County |
| Source1 Coordinates: | 47.6383°N -94.9594°W |
| Mouth Coordinates: | 47.4961°N -94.5356°W |
The Turtle River is a river of Minnesota. It is a tributary of the Mississippi River and was formally thought to be the headwaters of the Mississippi River. It is and located in Beltrami County.[1] [2]