Cognomen Martínez Diaz (Martínez Diaz 
) , around the globe, is a very rare family name. The last name Martínez Diaz is habitual in Spain, where it is a very rare surname, Finland, and Colombia. Measured by absolute frequency, it most frequently occurs in Spain, Colombia, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Martínez Diaz | Colombia, Mexico, Finland, Spain |