Jōhana (城端町; -machi) was a town located in Higashitonami District, Toyama, Japan.
On November 1, 2004 Jōhana was merged with the towns of Fukuno and Inami, the villages of Inokuchi, Kamitaira, Taira and Toga, all from Higashitonami District, and the town of Fukumitsu, from Nishitonami District, to form the new city of Nanto.
As of 2003, the town had an estimated population of 9,658 and a population density of 148.52 persons per km². The total area was 65.03 km².
The town in the anime True Tears is modeled after Jōhana.