Chemung is an unincorporated community in McNett Township, Lycoming County, Pennsylvania, United States. Chemung is located on Quadrant Route 1013 (Ellenton Mountain Road) in extreme northern Lycoming County, 4.6 miles (7.4 km) south of Canton.

The post office opened in 1889.

Chemung is 1,960 feet [597 m] above sea level.