Surname Ilisia (Ilisia 
, Илися 
) , globally, is a very rare last name. The surname Ilisia is characteristic of Eastern Europe, particularly Romania, where it is a rare surname. Likewise, Ilisia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilisia | Brazil, France, India, Romania, United States |
| Илися | Russia |