| Groundhouse River | |
| Pushpin Map: | Minnesota |
| Pushpin Map Caption: | Mouth of the Groundhouse River |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | Minnesota |
| Subdivision Type3: | Counties |
| Subdivision Name3: | Kanabec, Mille Lacs |
| Progression: | Groundhouse River→ Snake River→ St. Croix River→ Mississippi River→ Gulf of Mexico |
| River System: | Snake River |
The Groundhouse River is a 39.8adj=midNaNadj=mid[1] tributary of the Snake River in eastern Minnesota. Via the Snake River and St. Croix River, it is part of the Mississippi River watershed flowing to the Gulf of Mexico.