Cognomen Livio Omar (Livio Omar 
) , around the globe, is an extremely rare family name. The cognomen Livio Omar is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Livio Omar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Livio Omar | Peru, Argentina, Ecuador, Chile |