Tanbara (丹原町 Tanbara-chō ) was a town located in Shūsō District, Ehime, Japan.
On November 1, 2004 Tanbara, along with the town of Komatsu, also from Shūsō District, and the old city of Tōyo, was merged into the expanded city of Saijō and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 13,354 and a density of 103.44 persons per km². The total area was 129.10 km².