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Family name Niyathirakul (Niyathirakul ) , throughout the world, is a very rare cognomen. The cognomen Niyathirakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Niyathirakul | Thailand |
Patra, Pichit, Chanasak, and Sutthiluck