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Surname Janthaphong (Janthaphong
) , around the globe, is a rare last name. The cognomen Janthaphong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janthaphong | Malaysia, Thailand |
Sasina, Yodchay, Khornsee, Khirakorn, Thanisara, Thonthanut, Naphachanok, and Thikhamphorn