Yamakawa (山川町 Yamakawa-machi) was a town located in Yamato District, Fukuoka, Japan.
On January 29, 2007 Yamakawa was merged with the town of Setaka, also from Yamato District, and the town of Takata, from Miike District, to form the new city of Miyama.
As of 2003, the town had an estimated population of 5,522 and a density of 209.33 persons per km². The total area was 26.38 km².