Kawamoto (川本町; -machi) was a town located in Ōsato District, Saitama, Japan.
As of 2005, the town had an estimated population of 12,120 and a density of 556.7 persons per km². The total area was 21.77 km².
On January 1, 2006 Kawamoto, along with the towns of Hanazono and Okabe, all from Ōsato District, was merged into the expanded city of Fukaya.