Cognomen Iyaba (Iyaba 
) , globally, is a rare last name. The surname Iyaba is characteristic of Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Iyaba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iyaba | Tanzania, India, Nigeria |
| raoul j. c. monsembula iyaba |
|