is a Shinto shrine in Matsuyama, Ehime Prefecture, Japan. Enshrined are Emperor Chà «ai, Empress Jingà «, and Emperor à Âjin. A number of its buildings and treasures have been designated Important Cultural Properties.
It is said that the shrine was founded on the site where Emperor Chà «ai and Empress Jingà « bathed at Dà Âgo Onsen and it is mentioned in Engi shiki. In the fourteenth century the Kà Âno clan moved the shrine to its present location and it was rebuilt by the Matsudaira clan in the seventeenth century. Isaniwa Jinja was restored in 1970.
Isaniwa Jinja is modelled upon Iwashimizu Hachiman-gà « in Kyoto Prefecture and constructed in the Hachiman-zukuri style.
A treasure hall houses a number of swords and suits of armour.