Alleghany County Courthouse is a historic courthouse building located at Sparta, Alleghany County, North Carolina.

It was built in 1933, and is a two-story, H-shaped Classical Revival-style brick building.

The front facade features a tetrastyle Tuscan order portico.

It was built after "The Big Fire" of 1932 destroyed the courthouse and a block of businesses and homes.

[1] This article about a property in Alleghany County, North Carolina on the National Register of Historic Places is a stub.