Seiwa, Mie

 was a village located in Taki District, Mie Prefecture, Japan.
As of 2003, the village had an estimated population of 5,182 and a density of 96.72 persons per km². The total area was 53.58 km².
On January 1, 2006, Seiwa was merged into the expanded town of Taki and thus no longer exists as an independent municipality.