Boysen State Park is a state park located in Shoshoni, Wyoming. It is currently owned by the state of Wyoming and operated through the Wyoming State Parks, Historic Sites, & Trails office.

Boysen State Park is known locally as an excellent destination for water based recreational activities. The park has facilities that offer a great variety of water type recreation. Fresh water fishing is a popular activity and catches in the park?s waters include numerous species of fish including several species of trout, walleye, perch, and crappie. State record fish are known to have been caught in the reservoir.

The park also offers several campgrounds located around the Boysen Reservoir and the areas nearby. Camping areas include Lower Wind River, Upper Wind River, Tough Creek Campgrounds, and Loops 1 and 2.