Surname Marcelo Sergio (Marcelo Sergio 
) , throughout the world, is a very rare cognomen. The family name Marcelo Sergio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Marcelo Sergio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcelo Sergio | Brazil, Ecuador, Peru, Chile, Argentina |