Around the world, Santos Marcelo (Santos Marcelo 
) is a very rare boy's given name. The first name Santos Marcelo is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare masculine name. Very seldom, Santos Marcelo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Santos Marcelo | Argentina, Chile, Peru, Ecuador, Spain |