Surname Kohsavatwongsa (Kohsavatwongsa 
) , across the world, is a very rare last name. The cognomen Kohsavatwongsa is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Kohsavatwongsa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kohsavatwongsa | Thailand |