Washington County Courthouse is a historic courthouse located at Potosi, Washington County, Missouri.

It was built in 1908, and is a two-story, Renaissance Revival style brick building with a hipped roof.

It features a projecting three-story entrance tower topped by a belfry.

[2]: 5 It was listed on the National Register of Historic Places in 2011.

This article about a property in Washington County, Missouri on the National Register of Historic Places is a stub.