Cognomen Orellana Mera (Orellana Mera 
) , in all the world, is a rare surname. The last name Orellana Mera is habitual in Latin America and the Caribbean, particularly Cuba, where it is a rare surname, Ecuador, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Orellana Mera | Ecuador, Chile, Cuba |