Moon Township is a township in Allegheny County, Pennsylvania, United States, along the Ohio River. The population was 27,261 at the 2020 census. Located 12 miles (19 km) northwest of Pittsburgh, the township is part of the Pittsburgh metropolitan area and is home to Pittsburgh International Airport.

Pittsburgh International Airport, formerly Greater Pittsburgh International Airport, is a civil-military international airport in Findlay Township and Moon Township, Pennsylvania, United States. About 10 miles (15 km) west of downtown Pittsburgh, it is the primary international airport serving the Greater Pittsburgh Region as well as adjacent areas in West Virginia and Ohio. The airport is owned and operated by the Allegheny County Airport Authority and offers passenger flights to destinations throughout North America and Europe. PIT has four runways and covers 10,000 acres (40 km2).