Iwaki, Akita

 was a town located in Yuri District, Akita Prefecture, Japan.
In 2003, the town had an estimated population of 6,413 and a density of 59.32 persons per km². The total area was 108.10 km².
On March 22, 2005, Iwaki, along with the city of Honjō; and the towns of Chōkai, Higashiyuri, Nishime, Ōuchi, Yashima and Yuri (all from Yuri District), merged to create the city of Yurihonjō.