The Kingsbury County Courthouse, located on South Dakota Highway 25 in De Smet, South Dakota, was built in 1898.

It was listed on the National Register of Historic Places in 1977.

[1] It is a two-and one-half story Renaissance Revival-style building, topped by a cupola.

It has a one-story flat-roofed porch on its front facade.

This article about a property in South Dakota on the National Register of Historic Places is a stub.