Family name Guido Omar (Guido Omar 
) , all over the world, is a very rare last name. The surname Guido Omar is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Guido Omar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guido Omar | Paraguay, Ecuador, Chile, Peru, Costa Rica |