Last name โอหวาน (โอหวาน 
) , throughout the world, is a very rare surname. The family name โอหวาน is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, โอหวาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| โอหวาน | Thailand |