Nangō (南郷町 Nangō-chō) was a town located in Tōda District, Miyagi Prefecture, Japan.
In 2003, the town had an estimated population of 6,887 and a population density of 174.27 persons per km². The total area was 39.52 km².
On January 1, 2006, Nangō, along with the town of Kogota (also from Tōda District), was merged to create the town of Misato and no longer exists as an independent municipality.