Cognomen Omar Giancarlo (Omar Giancarlo 
) , across the world, is an extremely rare last name. The family name Omar Giancarlo is characteristic of Southern Europe, particularly Spain, where it is a very rare surname. More frequently, Omar Giancarlo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omar Giancarlo | Peru, Spain |
Camacho, and Camacho Castro