Manorville is a borough in Armstrong County, Pennsylvania, United States. The population was 382 at the 2020 census. Manorville is located on the east bank of the Allegheny River at 40°47′11″N 79°31′18″W / 40.78639°N 79.52167°W, about 40 miles northeast of Pittsburgh. It is bordered by the borough of Ford City to the south.