Cognomen Thawankan (Thawankan 
) , in all the world, is an extremely rare last name. The surname Thawankan is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Thawankan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thawankan | Thailand |