Cognomen Kadwichian (Kadwichian 
) , in the world, is a very rare surname. The last name Kadwichian is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kadwichian | Thailand |
Akkanewwut, Patinya, Ratibadee, Akkaneewut, and Pratinya