Cognomen Saengsuwanno (Saengsuwanno 
) , in all the world, is an extremely rare last name. The family name Saengsuwanno is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saengsuwanno | Thailand |
Suthep, and Pattarapong