Oak Valley is an unincorporated community in Elk County, Kansas, United States.

[1] It is located along U.S. Route 160 highway between Longton and Elk City.

A post office was opened at Oak Valley in 1875, and remained in operation until it was discontinued in 1954.

[2] Oak Valley was founded in 1879, when a settler built the first residential structure.

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