Mihonoseki (美保関町 Mihonoseki-chō) was a town located in Yatsuka District, Shimane, Japan.
On March 31, 2005 Mihonoseki, along with the towns of Kashima, Shimane, Shinji, Tamayu and Yatsuka, and the village of Yakumo, all from Yatsuka District, was merged into the expanded city of Matsue.
As of 2003, the town had an estimated population of 6,541 and a density of 118.05 persons per km². The total area was 55.41 km².