Taiyū (大雄村 Taiyū-mura?) was a village located in Hiraka District, Akita Prefecture, Japan.
In 2003, the village had an estimated population of 5,635 and a density of 215.24 persons per km². The total area was 26.18 km².
On October 1, 2005, Taiyū, along with the towns of Hiraka, Jūmonji, Masuda, Omonogawa and Ōmori; and the village of Sannai (all from Hiraka District), was merged into the expanded city of Yokote.