Seto, Ehime

 was a town located in Nishiuwa District, Ehime Prefecture, Japan.
As of 2003, the town had an estimated population of 2,696 and a density of 84.01 persons per km². The total area was 32.09 km².
On April 1, 2005, Seto, along with the town of Misaki (also from Nishiuwa District), was merged into the expanded town of Ikata.