Cognomen สาด (Plash 
, สาด ) , around the globe, is a very rare family name. The last name สาด is habitual in Belgium, where it is a very rare surname, the United States, and India, where it is an extremely rare surname. More prevalently, สาด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Plash | Belgium, Thailand, United States, Saudi Arabia, India |
| สาด | Thailand |