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Family name Owatsakul (Owatsakul ) , in the world, is a very rare last name. The surname Owatsakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Owatsakul | Thailand |
Chayut, Chanika, Piyarut, Vongkot, Pornpoth, Mayurachat, and Chatchanant