Surname Amornkaitkajorn (Amornkaitkajorn 
) , globally, is a very rare cognomen. The family name Amornkaitkajorn is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Amornkaitkajorn | Thailand |
Somdun, Chanunrat, Valeemon, and Nutkanoknun