was a town located in Kaizu District, Gifu Prefecture, Japan.
As of 2003, the town had an estimated population of 17,268 and a density of 333.29 persons per km2. The total area was 51.81 km2.
On March 28, 2005, Nannō was merged with the towns of Kaizu (former) and Hirata (all from Kaizu District), to create the city of Kaizu.[1]