Cognomen Unamuno Ruckoldt (Unamuno Ruckoldt 
) , in all the world, is an extremely rare surname. The surname Unamuno Ruckoldt is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Unamuno Ruckoldt | Chile, Ecuador |