Utatsu (歌津町 Utatsu-chō?) was a town located in Motoyoshi District, Miyagi Prefecture, Japan.
In 2003, the town had an estimated population of 5,501 and a population density of 139.34 persons per km². The total area was 39.48 km².
On October 1, 2005, Utatsu, along with the town of Shizugawa (also from Motoyoshi District) to create the town of Minamisanriku, and no longer exists as an independent municipality.