| Lake St. George State Park | |
| Map: | USA Maine |
| Map Size: | 280 |
| Relief: | 1 |
| Location: | Liberty, Maine, United States |
| Coordinates: | 44.4039°N -69.3561°W |
| Area Acre: | 358 |
| Elevation: | 686feet |
| Established: | Unspecified |
| Administrator: | Maine Department of Agriculture, Conservation and Forestry |
| Website: | Lake St. George State Park |
Lake St. George State Park is a public recreation area located on the northwest shore of Lake St. George in the town of Liberty, Waldo County, Maine. The state park covers and offers camping, lifeguard-supervised swimming, picnicking, canoeing, motorized boating, and fishing. The lake's support populations of landlocked salmon and brook trout. The park is managed by the Maine Department of Agriculture, Conservation and Forestry.