Surname Kewsrisawat (Kewsrisawat 
) , in the world, is a very rare last name. The cognomen Kewsrisawat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kewsrisawat | Thailand |
Saowalak, Saowaros, and Saowalalak