Citizens National Bank of Latrobe, also known as Mellon National Bank Building, is a historic bank building located at Latrobe, Westmoreland County, Pennsylvania.

It was designed by architect Batholomew & Smith and built in 1926.

It is a six-story, L-shaped, steel frame and masonry building in the Italian Renaissance Revival style.

It has a brick and granite exterior and a flat roof.

[2] It was added to the National Register of Historic Places in 2002.