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.[1]