Cognomen Kritsadathan (Kritsadathan 
) , throughout the world, is an extremely rare family name. The last name Kritsadathan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Kritsadathan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kritsadathan | United States, Thailand |