Cognomen Joseba Koldo (Joseba Koldo 
) , worldwide, is a rare family name. The cognomen Joseba Koldo is habitual in Spain, where it is a rare surname, and Chile, where it is an extremely rare surname. More frequently, Joseba Koldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Joseba Koldo | Spain, Chile |