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