In the world, Reinaldo Sergio (Reinaldo Sergio 
) is a rare gender-neutral first name. The given name Reinaldo Sergio is habitual in Latin America and the Caribbean, particularly Cuba, where it is a rare female name, and Chile, where it is a rare male name. Very seldom, Reinaldo Sergio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Reinaldo Sergio | Mexico, Chile, Ecuador, Cuba, Brazil |