Family name Mejias Montecinos (Mejias Montecinos 
) , in the entire world, is a very rare cognomen. The family name Mejias Montecinos is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mejias Montecinos | Chile |
Edgardo, and Rogelio Manuel