Cognomen Fuangsiriwatanakul (Fuangsiriwatanakul 
) , all over the world, is an extremely rare family name. The cognomen Fuangsiriwatanakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fuangsiriwatanakul | Thailand |