Last name Reinaldo Sergio (Reinaldo Sergio 
) , in the world, is an extremely rare family name. The last name Reinaldo Sergio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Reinaldo Sergio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reinaldo Sergio | Mexico, Chile, Ecuador, Cuba, Brazil |