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Last name Kullasak (Kullasak ) , around the globe, is an extremely rare cognomen. The last name Kullasak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Kullasak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kullasak | Thailand |
Arunrat, Aunhanan, Unhanan, Phongtui, Manitayakul, and Suwantaradon