Ipponmatsu, Ehime

 was a town located in Minamiuwa District, Ehime Prefecture, Japan.
As of 2003, the town had an estimated population of 4,204 and a density of 58.15 persons per km². The total area was 72.29 km².
On October 1, 2004, Ipponmatsu, along with the towns of Jōhen, Mishō and Nishiumi, and the village of Uchiumi (all from Minamiuwa District), was merged to create the town of Ainan.