Family name สายดาว (สายดาว 
) , in all the world, is an extremely rare cognomen. The family name สายดาว is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, สายดาว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สายดาว | Thailand |