| Lake Oscar | |
| Location: | Douglas County, Minnesota |
| Coordinates: | 45.8294°N -95.6042°W |
| Type: | lake |
| Pushpin Map: | Minnesota |
| Pushpin Map Alt: | Location of lake in Minnesota. |
Lake Oscar is a lake in Douglas County, in the U.S. state of Minnesota.
According to Warren Upham, Lake Oscar was probably named after Oscar I of Sweden.[1]