The Lake Francis State Park is a state park and recreation area in Pittsburg, New Hampshire. It features Lake Francis, a two thousand acre lake that is a part of the Connecticut Lakes region.

Best known among anglers and hunters, the Lake Francis State Park offers a great place to enjoy various outdoor activities. It serves as base for hunting and fishing, but there are also opportunities for boating, canoeing, kayaking, picnicking, camping, snowmobiling, and skiing. RV camping is also available inside the park. Pets are permitted inside the park.

The Lake Francis State Park is open all year round, but it is only fully operational from mid-May to mid-December. It is commonly unstaffed and has no comfort stations available during the off-season.