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Family name Guntinun (Guntinun ) , throughout the world, is an extremely rare cognomen. Much more frequently, Guntinun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guntinun | Thailand |
Boonsa, Chantha, Bonkrathok, Pamanee, Supsukon, Srisupan, Prukphanom, Rukchuan, Taiyathip, Aussaneepunyanon, and Hongchukiat