| Cooney State Park | |
| Map: | USA Montana |
| Relief: | 1 |
| Location: | Carbon County, Montana, United States |
| Nearest Town: | Columbus, Montana |
| Coordinates: | 45.4403°N -109.2147°W |
| Area Acre: | 309 |
| Elevation: | 4268feet |
| Designation: | Montana state park |
| Established: | 1970 |
| Visitation Num: | 148,344 |
| Visitation Year: | 2023 |
| Visitation Ref: | [1] |
| Administrator: | Montana Fish, Wildlife & Parks |
| Website: | Cooney State Park |
Cooney State Park is a public recreation area bordering Cooney Reservoir, 14miles south of Columbus in Carbon County, Montana. The state park occupies on three sides of the reservoir, a 1078acres impoundment of Red Lodge Creek completed in 1937. The park offers boating, fishing, swimming, picnicking, and camping.