J. F. Roberts Octagonal Barn, also known as the Clark Octagonal Barn, is a historic octagon barn located near Rea, Andrew County, Missouri, United States.

It was built about 1900, and is a two-story, octagonal wood-frame structure constructed of interior post and beam framing.

The central section is topped by an eight-sided hipped roof.

[2]: 5 It was listed on the National Register of Historic Places in 1999.

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