Laughlintown is an unincorporated community in Ligonier Township, Westmoreland County, Pennsylvania, United States. Laughlintown is located on U.S. Route 30 3 miles (4.8 km) southeast of Ligonier. Laughlintown has a post office with ZIP code 15655, which opened on May 16, 1825.
The Compass Inn, which is listed on the National Register of Historic Places, is located in Laughlintown. Also the Rolling Rock Club and The Washington Furnace Inn is located in Laughlintown.