Cortland County Courthouse is a historic courthouse located at Cortland in Cortland County, New York. It was built in 1924 and is a three-story building in the shape of a Latin cross built of Indiana limestone. It is located within a three-acre park. It features a distinctive cupola and corresponding rotunda, which rests on an octagonal base, above which are 24 Corinthian columns. It was designed by James Riely Gordon in the Beaux Arts style.It was listed on the National Register of Historic Places in 1974.
