Surname Santos Dos Santos (Santos Dos Santos 
) , around the globe, is a very rare cognomen. The surname Santos Dos Santos is habitual in Portugal, where it is a very rare surname, Spain, and France, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Spain, Portugal, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Santos Dos Santos | Portugal, South Africa, Spain, France, Brazil |