Cognomen Irún (Irún 
) , in the world, is a rare last name. The family name Irún is habitual in Paraguay, where it is quite a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Irún | Paraguay, Spain |
|
javier zacarías irún Paraguayan politician, PY (b. 1901) |
|
| margarita irún Paraguayan actress, PY |
|