Ichinomiya (一の宮町; -machi) is a town located in Aso District, Kumamoto, Japan.
Ichinomiya literally means "the first shrine" of the province. In case of this town, it is the Aso Shrine of the Higo Province.
As of 2003, the town has an estimated population of 9,977 and a density of 94.54 persons per km². The total area is 105.53 km².
