Cognomen Sawatdisak (Sawatdisak 
) , worldwide, is a very rare family name. The last name Sawatdisak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Sawatdisak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sawatdisak | Thailand |
Somchai, Siriphaitun, and Pattarapong