Last name Mercado Quiroz (Mercado Quiroz 
) , all around the world, is a very rare cognomen. The surname Mercado Quiroz 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 Quiroz | Bolivia, Colombia, Chile, Ecuador |