Hachimori (八森町 Hachimori-machi) was a town located in Yamamoto District, Akita, Japan.
On March 27, 2006, the town was merged with the village of Minehama, also from Yamamoto District, to form the new town of Happō.
As of 2003, the town had an estimated population of 4,494 and a density of 39.90 persons per km². The total area was 112.62 km².