Cognomen Kanthia (Kanthia 
) , in all the world, is a rare family name. The family name Kanthia is characteristic of Thailand, where it is a very rare surname, India, where it is an extremely rare surname, and Canada. More frequently, Kanthia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanthia | Canada, India, United States, Thailand |