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Cognomen Witchayarak (Witchayarak ) , around the world, is a very rare surname. The last name Witchayarak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Witchayarak | Thailand |
Patsakorn, Patsagon, Puangnit, Jeerayut, and Pitchayanin