Surname Caínzos (Caínzos 
) , in the world, is a very rare last name. The family name Caínzos is habitual in Spain, where it is a very rare surname, and Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Caínzos | Spain, Argentina |
| fran caínzos Spanish association football player, ES (b. 1973) |
|