Iwaki (岩城町, Iwaki-machi) was a town located in Yuri District, Akita Prefecture, Japan.^[1]

Iwaki 岩城町
Iwaki branch of the Yurihonjo City Hall
Country	Japan
Prefecture	Akita
District	Yuri

In 2003, the town had an estimated population of 6,413 and a density of 59.32 persons per km².^[2] 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.^[3]