| Calamus State Recreation Area | |
| Map: | USA Nebraska#USA |
| Relief: | 1 |
| Location: | Loup and Garfield, Nebraska, United States |
| Coordinates: | 41.8346°N -99.2152°W |
| Area Acre: | 10081 |
| Governing Body: | Nebraska Game and Parks Commission |
Calamus State Recreation Area is a state park in central Nebraska, United States. The recreation area includes and surrounds the Calamus Reservoir. The recreation area is managed by the Nebraska Game and Parks Commission.