Ibero usually refers to things related to the Iberian Peninsula, including
- Ibero-America, countries in the Americas which were formerly colonies of Spain or Portugal
- Ibero-Caucasian, proposed language family
- Ibero-Celtic, Celtic language and people of the Iberian Peninsula
- Ibero-German, people of the Iberian Peninsula living in Germany
- Ibero-Maurisian, North African culture thought to have spread from the Iberian Peninsula
- Ibero-Romance, Romance languages that developed on the Iberian Peninsula
- Taxon
- Iberodon, extinct genus of small mammal
- Iberoevania, extinct genus of evaniid
- Iberolacerta, lizard genus in the Lacertidae family
- Iberomesornis, monotypic genus of enantiornithine bird
- Iberomesornithidae, an extinct family of birds that is considered a sister taxon to modern birds
- Iberostomata, extinct species of bryozoa
- Iberospondylus, extinct genus of basal temnospondyl amphibian
- Organisations
- Ibero Cruises, Spanish cruise company
- Iberojet, Spanish holiday company
- Iberomoldes, Portuguese company
- Iberostar Hotels & Resorts, Spanish company
It also refers to:
- Ibero, town in Olza, Navarre, Spain
- Universidad Iberoamericana, Mexican university
- Surname
- Luis Ibero, politician and mayor of Zizur Mayor