Cognomen Santos Marcelo (Santos Marcelo 
) , around the world, is a very rare family name. The family name Santos Marcelo is characteristic of Spain, where it is a very rare surname, Chile, and Ecuador. More frequently, Santos Marcelo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santos Marcelo | Spain, Ecuador, Chile, Argentina, Peru |