United States Courthouse and Post Office (Aberdeen, Mississippi)

The U.S. Courthouse and Post Office in Aberdeen, Mississippi was built in 1885. Also known as Old Federal Building, it served historically as a courthouse and as a post office. It was listed on the National Register of Historic Places in 1976.

It is a red brick and gray stone 2-1/2-story building in the "Victorian Romanesque style embellished with Gothic and Classical details." It has terra cotta decorations.

William A. Freret replaced Mifflin E. Bell as architect during the project.