Yamakawa, Tokushima

 was a town located in Oe District, Tokushima Prefecture, Japan.
As of 2003, the town had an estimated population of 11,456 and a population density of 271.02 persons per km². The total area was 42.27 km².
On October 1, 2004, Yamakawa, along with the towns of Kamojima and Kawashima, and the village of Misato (all from Oe District), was merged to create the new city of Yoshinogawa.