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Family name Atthaphorn (Atthaphorn ) , in the world, is an extremely rare surname. Much more frequently, Atthaphorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Atthaphorn | Thailand |
Onnuam, Pramkong, Santhawee, Liangbumrung, Phanthukowit, Phacharoen, Thiangthae, and Thammaphirom