Cognomen Suilar (Suilar 
) , all around the world, is a very rare family name. The family name Suilar is characteristic of Argentina, where it is a very rare surname, Thailand, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Argentina, Thailand, and the United States. Much less frequently, Suilar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suilar | United Kingdom, United States, Thailand, India, Argentina |