Compass Inn is a historic inn and tavern located in Laughlintown, Ligonier Township, Westmoreland County, Pennsylvania. It is a 2 1/2-storey, five bay log and stone building in a vernacular Georgian style. The original section was built in 1799, and it is three bays wide. The two bay stone section was added in the 1820s. A clapboarded frame section was added in 1862. It was restored in 1970, and operated as a local history museum. The property includes a rebuilt barn and blacksmith shop. It was added to the National Register of Historic Places on February 24, 1995.