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Cognomen Petnin (Petnin ) , around the world, is a very rare last name. The surname Petnin is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Petnin | Thailand |
Sunisa, Thawatchai, Thanchanok, Vilaiporn, Nattapong, Chiewcharn, Supawadee, Sittipong, Jiraporn, Pattaraporn, Kajonsak, Apiradee, Narodom, Jintana, Athitaya, Sukamya, Apinan, Soraya, Somjai, Chayaton, and Phitchayarattanachan