Cognomen Saengkaewsuk (Saengkaewsuk 
) , around the world, is a very rare family name. The surname Saengkaewsuk is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saengkaewsuk | Thailand |
แสงแก้วสุก, and แสงแก้วสุข