Surname Delaiza (Delaiza 
) , in all the world, is an extremely rare last name. The cognomen Delaiza is habitual in Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname. Much more frequently, Delaiza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delaiza | Argentina, Brazil, United States, Philippines |