Cognomen San Luis (San Luis 
) , in the entire world, is quite a common last name. The surname San Luis is characteristic of Philippines, where it is quite a rare surname, Mexico, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, the name is most common in Philippines, Mexico, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| San Luis | Philippines, Argentina, Venezuela, United States, Mexico |