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Last name Phusakulsuk (Phusakulsuk ) , worldwide, is a very rare surname. The cognomen Phusakulsuk is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phusakulsuk | Thailand |
Siriwan, Supawan, Sommart, Sittisak, and Kumlaitong