Yanahara, Okayama

 was a town located in Kume District, Okayama Prefecture, Japan.
As of 2003, the town had an estimated population of 6,793 and a density of 88.13 persons per km². The total area was 77.08 km².
On March 22, 2005, Yanahara, along with the towns of Asahi and Chūō (all from Kume District), was merged to create the town of Misaki.