Last name Cornejo Guevara (Cornejo Guevara 
) , in all the world, is a very rare cognomen. The last name Cornejo Guevara is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, Peru, where it is an extremely rare surname, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Cornejo Guevara | Peru, Ecuador, Chile |