Family name ศิรส (Sirot 
, ศิรส ) , all over the world, is quite a rare surname. The family name ศิรส is habitual in France, where it is quite a rare surname, Denmark, where it is a rare surname, and Philippines. Not in comparison with a country's population, it most frequently occurs in France, Philippines, and Indonesia. Very seldom, ศิรส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirot | Ivory Coast, Philippines, Thailand, France, Indonesia |
| ศิรส | Thailand |