Cognomen Guevara Ontaneda (Guevara Ontaneda 
) , all over the world, is a very rare family name. The family name Guevara Ontaneda is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Guevara Ontaneda | Ecuador, Spain |