Family name Iibarra (Iibarra 
) , throughout the world, is a very rare surname. The cognomen Iibarra is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Chile. Not in comparison with a country's population, it is the most numerous in Mexico, Colombia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Iibarra | Mexico, Chile, Colombia, United States |