was a town located in Hienuki District, Iwate Prefecture, Japan.
The village of was created on April 1, 1889 with the establishment of the municipalities system. The village was raised to town status on April 1, 1928 and renamed Ishidoriya at that time.
On January 1, 2006, Ishidoriya, along with the town of à Âhasama (from Hienuki District), and the town of Tà Âwa (from Waga District), was merged into the expanded city of Hanamaki, and no longer exists as an independent municipality.
As of January 1, 2006, the town had an estimated population of 15,951 and a population density of 134.5 persons per km<sup>2</sup>. The total area was 118.57 km<sup>2</sup>.
Ishidoriya had a sister city relationship with Rutland, Vermont.