Clarksville is an unincorporated community in Wayne Township, Hamilton County, Indiana.

It was likely named in honor of George Rogers Clark, an officer in the American Revolutionary War.

[3] Clarksville was originally called Nicholsonville, and under the latter name was laid out in 1849 by Abraham Nicholson.

[5] A post office was established as Nicholsonville in 1850, was renamed Clarksville that same year, and closed in 1902.

This Hamilton County, Indiana location article is a stub.