Cognomen Olmega (Olmega 
) , all over the world, is an extremely rare last name. The family name Olmega is habitual in Mexico, where it is an extremely rare surname, Philippines, and the United States. Much more frequently, Olmega is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olmega | Mexico, United States, Democratic Republic of the Congo, Philippines |