Family name Ilianiz (Ilianiz 
) , around the globe, is an extremely rare cognomen. The cognomen Ilianiz is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Brazil. Likewise, Ilianiz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilianiz | United States, Brazil, Venezuela |