Last name โอคูโนมิยะ (โอคูโนมิยะ 
) , in the entire world, is an extremely rare surname. The surname โอคูโนมิยะ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| โอคูโนมิยะ | Thailand |