Swan Lake State Park is a public recreation area at the north end of 3-mile-long (4.8 km) Swan Lake in the town of Swanville, Waldo County, Maine.

The state park's 67 acres (27 ha) offer opportunities for swimming, picnicking, canoeing, and fishing.

[3] The 1,370-acre (550 ha) lake supports populations of smallmouth bass, landlocked salmon, white perch, brook trout, and wild togue.

[4] The park is managed by the Maine Department of Agriculture, Conservation and Forestry.