Allentown National Bank, also known as Meridian Bank, is a historic bank building located at Allentown, Lehigh County, Pennsylvania. It was built in 1905, and is a large eight-story, steel frame and masonry-clad building in the Beaux-Arts style. The building was abandoned in the 1990s, however in the early 2000s, it was re-developed into apartments for independent living senior citizens. It was added to the National Register of Historic Places in 2005.