Surname แซ่ซั่น (Saesan 
, แซ่ซั่น) , worldwide, is a very rare cognomen. The cognomen แซ่ซั่น is habitual in Thailand, where it is a very rare surname, the United States, where it is an extremely rare surname, and Nigeria. Very seldom, แซ่ซั่น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saesan | Nigeria, India, United States, Thailand |