Tachibana, Yamaguchi

 was a town located in Ōshima District, Yamaguchi Prefecture, Japan.
As of 2003, the town had an estimated population of 5,649 and a density of 195.81 persons per km². The total area was 28.85 km².
On October 1, 2004, Tachibana, along with the towns of Kuka, Ōshima and Tōwa (all from Ōshima District), was merged to create the town of Suō-Ōshima.