Berlin is a borough located approximately 75 miles southeast of Pittsburgh in Somerset County, Pennsylvania, United States.

The town's major celebration each fall concerns the Whiskey Rebellion in the 1790s, although in recent years residents also commemorate the termination of Flight 93 in nearby Shanksville in 2001.

Snyder of Berlin potato chips are made in town, which also hosts Center Rock, Inc., a drilling-equipment manufacturer.

Immigrants (especially those from Germany) began settling the area before the American Revolutionary War, and the surrounding Brothersvalley Township was incorporated in 1771.

By September, Irish immigrant Robert Philson raised a liberty pole at his log store on the square and advised citizens to oppose U.S. laws.

Federal troops arrived in October, and the rebellion evaporated, with Philson and itinerant preacher Herman Husband being taken to Philadelphia for trial (where they were acquitted).

According to the United States Census Bureau, the borough has a total area of 0.9 square miles (2.3 km2), all land.