This is a list of the National Register of Historic Places listings in Lehigh County, Pennsylvania.
This is intended to be a complete list of the properties and districts on National Register of Historic Places in Lehigh County, Pennsylvania. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
There are 56 properties and districts listed on the National Register in the county. One site is further designated as a National Historic Landmark. Another property was once listed but has been removed.