Ariake (有明町 Ariake-machi) was a town located in Amakusa District, Kumamoto, Japan.
On March 27, 2006 Ariake was merged with the towns of Amakusa, Goshoura, Itsuwa, 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 6,109 and a density of 102.43 persons per km². The total area was 59.64 km².