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Surname Khamphilai (Khamphilai , คำภิไหล) , all over the world, is a very rare last name. The family name Khamphilai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khamphilai | Thailand |
Pat, Prakit, Thaworamon, Wasuthida, and Chananthida