Cognomen Saengthongsakao (Saengthongsakao 
) , in the entire world, is a very rare surname. The family name Saengthongsakao is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saengthongsakao | Thailand |
Yosita, Artittaya, and Phanatchakon