Family name Fongsuk (Fongsuk 
, ฟองสุข ) , globally, is a very rare last name. The cognomen Fongsuk is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Fongsuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฟองสุข, Fongsuk | Thailand |