Pleasant Hill is an unincorporated community and census-designated place (CDP) in Lebanon County, Pennsylvania, United States.

Pleasant Hill is located in central Lebanon County at 40°20′10″N 76°26′39″W / 40.33611°N 76.44417°W / 40.33611; -76.44417 (40.336082, -76.444248).

[5] It is bordered to the east and southeast by the city of Lebanon, the county seat, and to the west by the borough of Cleona.

U.S. Route 422 (West Cumberland Avenue) is the main road through Pleasant Hill; it leads east through Lebanon 29 miles (47 km) to Reading and west-southwest 12 miles (19 km) to Hershey.

Harrisburg, the state capital, is 26 miles (42 km) west of Pleasant Hill.