Throughout the world, Pornsak (Pornsak 
) is a rare boy's first name. The forename Pornsak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare boy's name.
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| Pornsak | Brazil, China, United States, Thailand, Canada |
| pornsak yoocharoen researcher |
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| pornsak sriamornsak researcher |
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| pornsak srisungsitthisunti researcher ORCID ID = 0000-0002-4945-0809 |
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| pornsak pichetshote American writer |
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| pornsak prajakwit Singapore television personality, SG (b. 1982) |
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| pornsak pongthong Thai footballer, TH (b. 1987) |
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Suwan, Saiudomsin, Chunhajinda, Kunaviriyasiri, Panpichai, Phothiumong, Raopattananon, Jarusansuttikul, Tempiyaphol, Nathalang, Sangsangwal, Sangsangwan, Sakdanupap, Sawasdeemak, Sripaisalnont, Arunsiriporn, Dissaneewate, Luckanapisaste, Nuansomsree, Kaewthavorn, Duangputtan, Chaovanaprasert, Nakmanee, Lundaporn, Dungcheaw, Ruangrat, Amyai, Saelim, Poghom, Nildam, Nuannu, Yodskultip, Mahawan, Saksucharit, Surasit, Surarit, Phoncharoensomboon, Khoyeesae, Pinkaew, Pungsrinon, Limphan, Jamanee, Tangkam, Nisapun, Nuankam, Wanpatae, Chuthong, Korsrisuwan, Klinhom, and Ruangwattanakul