Itsuwa (五和町 Itsuwa-machi) was a town located in Amakusa District, Kumamoto, Japan.
On March 27, 2006 Itsuwa was merged with the towns of Amakusa, Ariake, Goshoura, Kawaura, Kuratake, Shinwa and Sumoto, all from Amakusa District, and the old cities of Hondo and Ushibuka, to become the new city of Amakusa and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 10,344 and a density of 206.63 persons per km². The total area was 50.06 km².
Ferry from Itsuwa Oniike on the north of the Amakusa Peninsular to Kuchinotsu at the southern tip of the Minamishimbara Peninsula is run by the Shimbara Railway Co. Services operate frequently daily. http://www.shimatetsu.co.jp/