Cognomen Irrizarri (Irrizarri 
) , in all the world, is a very rare last name. The family name Irrizarri is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, Chile, where it is a very rare surname, and Venezuela. Measured by absolute frequency, it is the most numerous in the Dominican Republic, the United States, and Venezuela. Much less frequently, Irrizarri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Irrizarri | Mexico, Dominican Republic, Venezuela, Chile, United States |