Surname Isaba (Isaba 
) , in the world, is a rare cognomen. The family name Isaba is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a rare surname, Costa Rica, and Venezuela. Not in comparison with a country's population, it is the most numerous in India, Venezuela, and Spain. Likewise, Isaba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isaba | Bangladesh, Spain, India, Nigeria, Venezuela |
| francisco javier de mendizábal y pérez de isaba (b. 1763) |
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| demetrio isaba Spanish cyclist, ES |
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