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Surname Jantanupan (Jantanupan ) , in the entire world, is a rare cognomen. The surname Jantanupan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jantanupan | Thailand |
Oraphan, Wattana, Sabaithip, Chawewan, Chaweewan, Chiraphorn, Phakphoom, Nuttakarn, and Chatchawan