Westernport is a town in Allegany County, Maryland, United States, along the Georges Creek Valley. It is part of the Cumberland, MD-WV Metropolitan Statistical Area. The population was 1,888 at the 2010 census.

Allegany County is located in the northwestern part of the U.S. state of Maryland. As of the 2020 census, the population was 68,106. Its county seat is Cumberland. The name Allegany may come from a local Lenape word, welhik hane or oolikhanna, which means 'best flowing river of the hills' or 'beautiful stream'. A number of counties and a river in the Appalachian region of the U.S. are named Allegany, Allegheny, or Alleghany. Allegany County is part of the Cumberland metropolitan area. It is a part of the Western Maryland "panhandle".