was a town located in Uma District, Ehime Prefecture, Shikoku, Japan.
As of 2003, the town had an estimated population of 17,387 and a density of 200.59 persons per km2. Its total area was 86.68 km2.
On April 1, 2004, Doi along with the village of Shingū (also from Uma District), and the old cities of Iyomishima and Kawanoe, was merged to create the city of Shikokuchūō.[1] [2]