Around the world, Ilous (Илус 
, Ильус , Ilous 
) is a rare male forename. The forename Ilous is characteristic of Eastern Europe, particularly Russia, where it is a rare predominantly male, but very infrequently feminine name. Much less frequently, Ilous is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Илус | Kazakhstan, Russia |
| Ильус | Russia |
| Ilous | United States, Canada, France |