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