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Last name Karnhathai (Karnhathai ) , around the globe, is an extremely rare family name. Much more frequently, Karnhathai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karnhathai | Thailand |
Kongpa, Kedviriyakarn, Malarat, Wimonchailerk, and Jirapongwatana