Shinkawa (新川町; Shinkawa-chō) was a town located in Nishikasugai District, Aichi Prefecture, Japan.
As of 2003, the town had an estimated population of 18,761 and a density of 3,991.70 persons per km². The total area was 4.70 km².
On July 7, 2005 Shinkawa was merged with the towns of Kiyosu and Nishibiwajima to form the new city of Kiyosu.