| Higganum Reservoir State Park | |
| Photo Width: | 280 |
| Photo Alt: | Reservoir |
| Map: | USA Connecticut#USA |
| Map Width: | 280 |
| Relief: | 1 |
| Label: | Higganum Reservoir State Park |
| Location: | Haddam, Connecticut, United States |
| Coordinates: | 41.4872°N -72.5603°W |
| Area: | 147acres |
| Elevation: | 95feet |
| Established: | 1955 |
| Designation: | Connecticut state park |
| Administrator: | Connecticut Department of Energy and Environmental Protection |
Higganum Reservoir State Park is a public recreation area occupying on the banks of Higganum Reservoir in the town of Haddam, Connecticut. The state park offers fishing, hiking, hunting, and a launch area for car-top boating. It entered the state rolls as a 75-acre state park in the 1955 edition of the Connecticut Register and Manual.