Barnesville is an unincorporated community in Bourbon County, Kansas, United States.

[1] Barnesville was platted in 1858 by J. and F. Barnes, and named for them.

[2] A post office was established at Barnesville in 1856, and remained in operation until it was discontinued in 1906.

[3] A Civil War era military post, Barnesville's Post, is located in the area.

This article about a location in Bourbon County, Kansas is a stub.