was a town located in Nyà « District, Fukui Prefecture, Japan.
As of 2003, the town had an estimated population of 5,194 and a density of 132.43 persons per km<sup>2</sup>. The total area was 39.22 km<sup>2</sup>.
On February 1, 2005, Ota, along with the town of Asahi, and the village of Miyazaki (all from Nyà « District), was merged into the expanded town of Echizen to create the new town of Echizen, and no longer exists as an independent municipality.