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Last name Khanphrasaeng (Khanphrasaeng ) , all over the world, is a very rare family name. The cognomen Khanphrasaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khanphrasaeng | Thailand |
Sutham, Yindee, Kitisak, Prathip, Richcha, Khanuengnit, Natthakitta, and Phattharawadi