Cognomen Ilumi (Ilumi 
) , all over the world, is a very rare last name. The last name Ilumi is habitual in Nigeria, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More frequently, Ilumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilumi | Indonesia, Spain, Malaysia, Nigeria, India |