Koryō (湖陵町 Koryō-chō) was a town located in Hikawa District, Shimane, Japan.
On March 22, 2005 Koryō, along with the towns of Sada, Taisha and Taki, all from Hikawa District, and the city of Hirata, was merged into the expanded city of Izumo.
As of 2003, the town had an estimated population of 5,843 and a density of 262.49 persons per km². The total area was 22.26 km².