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Family name Khamfai (Khamfai
, คำใฝ) , across the world, is a very rare cognomen. The cognomen Khamfai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Khamfai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamfai | Laos, Thailand |