| Potagannissing River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Michigan |
| Subdivision Type3: | County |
| Subdivision Name3: | Chippewa |
| Subdivision Type4: | Township |
| Subdivision Name4: | Drummond |
| Source1 Location: | Drummond Island |
| Source1 Coordinates: | 45.9803°N -83.5669°W |
| Mouth: | Potagannissing Bay |
| Mouth Coordinates: | 46.0381°N -83.67°W |
The Potagannissing River (Anishinaabe: Bootaagan-minising-ziibi (syncope as Bootaagan-mnising-ziibi), meaning "River on the Mill Island (Drummond Island)")[1] is an 11.3adj=midNaNadj=mid[2] river in Michigan, located on Drummond Island in Lake Huron.