| Tewaukon National Wildlife Refuge | |
| Iucn Category: | IV |
| Map: | USA |
| Relief: | 1 |
| Map Width: | 300 |
| Location: | Sargent County, North Dakota, United States |
| Nearest City: | Cayuga, North Dakota |
| Coordinates: | 46.0041°N -97.3851°W |
| Area: | 8363acres |
| Established: | 1945 |
| Governing Body: | U.S. Fish and Wildlife Service |
| Website: | Tewaukon National Wildlife Refuge |
Tewaukon National Wildlife Refuge is located in southeastern North Dakota along the western edge of the northern tallgrass prairie, about 5miles south of Cayuga, in Sargent County. The Wild Rice River flows through the Refuge and then into Lake Tewaukon. Established in 1945, the 8363acres Refuge is located in the Prairie Pothole Region, one of the most biologically productive areas on earth. It lies within the Tewaukon Wetland Management District.
a. Tewaukon NWR website, https://www.fws.gov/refuge/tewaukon
b. Tewaukon Wetlands Management District website, https://www.fws.gov/refuge/tewaukon-wetland-management-district/visit-us