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Last name Ratchatathanitkul (Ratchatathanitkul ) , in all the world, is a very rare family name. The cognomen Ratchatathanitkul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratchatathanitkul | Thailand |
Peeraya, Kotcharat, Kittikhom, Pornprapa, and Ratanakamol