Hikawa, Kumamoto

 is a town located in Yatsushiro District, Kumamoto Prefecture, Japan.
The town was formed on October 1, 2005 from the merger of the towns of Miyahara and Ryūhoku.
As of March 2017, the town has an estimated population of 12,250 and a density of 370 persons per km². The total area is 33.29 km².