Cognomen โอภาส-ถนอมพรรณ (โอภาส-ถนอมพรรณ 
) , around the world, is an extremely rare family name. Much more frequently, โอภาส-ถนอมพรรณ is the forename as well as the last name. Parts of the name also exists independently as a first name โอภาส, and a first name ถนอมพรรณ.
| VARIANT | COUNTRY |
|---|---|
| โอภาส-ถนอมพรรณ | Thailand |