Last name Diaz Mancera (Diaz Mancera 
) , across the world, is a very rare cognomen. The surname Diaz Mancera is habitual in Spain, where it is a very rare surname, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Diaz Mancera | Spain, Colombia |
Hector, Juan Emilio, and Gerson Enrique