Last name Mercado Herrera (Mercado Herrera 
) , in the entire world, is a rare family name. The surname Mercado Herrera is habitual in Latin America and the Caribbean, particularly Bolivia, where it is a rare surname, Chile, where it is a very rare surname, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Mercado Herrera | Colombia, Argentina, Spain, Bolivia, Chile |