Surname ซ้า (Sa 
, Hzaa 
, Zzaj 
) , globally, is a widespread cognomen. The cognomen ซ้า is habitual in Luxembourg, where it is a common surname, Portugal, and Belgium (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in India, Brazil, and Spain. Likewise, ซ้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sa | Saudi Arabia, Spain, India, Myanmar, Brazil |
| Hzaa | Yemen, Syria, Egypt, Saudi Arabia |
| Zzaj | United States, Saudi Arabia, Philippines |