Chapman State Park is a 862-acre (349 ha) Pennsylvania state park in Pleasant Township, Warren County, Pennsylvania near Clarendon, in the United States. The man-made Chapman Lake covers 68 acres (28 ha) of the park. Chapman State Park is named in honor of Dr. Leroy E. Chapman. Dr. Chapman was a state senator from 1929 until 1963. He was part of several civic groups that pushed for the creation of a state park in Warren County. Chapman State Park, opened in 1951, is adjacent to Allegheny National Forest and State Game Land 29 just off U.S. Route 6.

Pleasant Township is a township in Warren County, Pennsylvania, United States. The population was 2,246 at the 2020 census, down from 2,444 at the 2010 census.