was a town located in Hiraka District, Akita Prefecture, Japan.
In 2003, the town had an estimated population of 8,733 and a density of 117.68 persons per km<sup>2</sup>. The total area was 74.21 km<sup>2</sup>.
On October 1, 2005, Masuda, along with the towns of Hiraka, Jà «monji, Omonogawa and à Âmori; and the villages of Sannai and Taiyà « (all from Hiraka District), was merged into the expanded city of Yokote.