Last name สายสวาส (สายสวาส 
) , across the world, is an extremely rare surname. The surname สายสวาส is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, สายสวาส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สายสวาส | Thailand |