The U.S. Post Office and Courthouse-Baton Rouge, also known as Federal Building and U.S. Courthouse, in Baton Rouge, Louisiana, was built in 1932. It includes Art Deco and Moderne architecture. It served historically as a post office, as a courthouse, and as a government office building. It was listed on the National Register of Historic Places in 2000.It is a limestone-clad three-story building designed by New Orleans architect Moise H. Goldstein, under the supervision of the Office of the Supervising Architect for the U.S. Treasury department in Art Deco style. It has a slightly projected central bay with four engaged, fluted Ionic pilasters.