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Surname Phetnun (Phetnun ) , around the globe, is a very rare last name. The last name Phetnun is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phetnun | Thailand |
Sunan, Suwan, Jintana, Wanchai, Yuwaluck, Sahaphol, Wisanupong, and Nitchakamon