Cognomen Suwattanakoop (Suwattanakoop 
) , all over the world, is a very rare surname. The surname Suwattanakoop is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suwattanakoop | Thailand |
Sobchai, Kanoknan, and Sirirumphai