The Seth Low Pierrepont State Park Reserve is a state park and reserve in Ridgefield, Connecticut. It is also commonly known as the Pierrepont State Park.

Covering 313 acres of area, the Seth Low Pierrepont State Park Reserve takes its name after Seth Low Pierrepont, a millionaire and former diplomat who worked as a US official in various foreign cities like Paris, Santiago, Rome, and Lisbon. He purchased the site from the Scott family who lived in the area since the 1720s sometime during the 1930s and donated the site to the Connecticut State Park and Forest Commission upon his death in 1956.

The Seth Low Pierrepont State Park Reserve is ideal for boating, fishing, and hiking. It boasts of its five different blazed trails, ranging from mild to relatively challenging in terms of difficulty.