Last name กันตถาวร (กันตถาวร 
, Kantavivorn , Kantavorn ) , across the world, is a rare cognomen. The family name กันตถาวร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, กันตถาวร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kantavivorn, กันตถาวร, Guntathavorn, Kantavorn | Thailand |
|
กันต์ กันตถาวร Thai actor, model and host, TH (b. 1985) |
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