Family name ศาสวัต (Sasawat 
, ศาสวัต , Sadsawat ) , throughout the world, is a very rare last name. The surname ศาสวัต is characteristic of Thailand, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Predominantly, ศาสวัต is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sasawat | Nigeria, United States, Thailand |
| Sadsawat, ศาสวัต, Sassawat | Thailand |