Cognomen ส้า (Sa 
, ส้า) , throughout the world, is a widespread surname. The family name ส้า is characteristic of Luxembourg, where it is a common surname, Portugal, and Belgium (explore the name in all countries). In absolute terms, this name is the most popular in India, Brazil, and Spain. Also, ส้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sa | Brazil, Saudi Arabia, Myanmar, India, Spain |