Cognomen Laosrithanakun (Laosrithanakun 
) , in the world, is a very rare last name. The cognomen Laosrithanakun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Laosrithanakun | Thailand |
Sutthinai, and Chanthasinee