Aikawa (合川町; -machi) was a town located in Kitaakita District, Akita, Japan.
The city of Kitaakita was founded on March 22, 2005 from the merger of the former towns of Aikawa, Ani, Moriyoshi, and Takanosu, all from Kitaakita District.
In 2003, the town had an estimated population of 7,673 and a density of 68.02 persons per km². The total area was 112.80 km².