Masuda (増田町; -machi) was a town located in Hiraka District, Akita, Japan.
On October 1, 2005, the towns of Hiraka, Jūmonji, Masuda, Omonogawa, Ōmori, and the villages of Sannai, and Taiyū, all from Hiraka District, merged into the city of Yokote.
In 2003, the town had an estimated population of 8,733 and a density of 117.68 persons per km². The total area was 74.21 km².