Surname สาร์ (Sa 
, สาร์ 
) , all around the world, is a widespread cognomen. The cognomen สาร์ is characteristic of 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 is the most numerous in India, Brazil, and Spain. Likewise, สาร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sa | Myanmar, Spain, India, Brazil, Saudi Arabia |
| สาร์ | Thailand |