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Family name Khlangsap (Khlangsap ) , all over the world, is a very rare surname. The family name Khlangsap is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khlangsap | Thailand |
Nathawat, Nitiphat, Chiraphorn, and Nathapongchai