was a town in Kitakatsushika District, Saitama Prefecture, Japan. As of 2003, the town had an estimated population of 37,047 and a density of . The total area was . On October 1, 2005, Shōwa was merged into the expanded city of Kasukabe and no longer exists as an independent municipality. Dissolved municipalities of Saitama Prefecture Kasukabe, Saitama