Hongawa (本川村 Hongawa-mura?) was a village located in Agawa District, Kōchi Prefecture, Japan.
As of 2003, the village had an estimated population of 749 and a density of 3.59 persons per km². The total area was 208.70 km².
On October 1, 2004, Hongawa, along with the village of Gohoku (from Agawa District), was merged into the expanded town of Ino, and no longer exists as an independent municipality.