Kawachi (河内町; -machi) was a town located in Kawachi District, Tochigi, Japan.
On March 31, 2007 Kawachi, along with the town of Kamikawachi, also from Kawachi District, was merged into the expanded city of Utsunomiya.
As of 2003, the town had an estimated population of 35,247 and a density of 738.62 persons per km². The total area was 47.72 square kilometers.