Last name Olvega (Olvega 
) , across the world, is a very rare cognomen. The cognomen Olvega is habitual in Spain, where it is a very rare surname, Philippines, and Mexico, where it is an extremely rare surname. Much less frequently, Olvega is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olvega | Mexico, Spain, Philippines |