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Family name Kantaworn (กันตถาวร , Kantaworn
) , throughout the world, is a rare surname. The family name Kantaworn is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Kantaworn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กันตถาวร | Thailand |
| Kantaworn | United States, Thailand |