Surname Ильянс (Ильянс 
, Ilians 
) , in all the world, is a very rare last name. The last name Ильянс is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname, and Mexico. More frequently, Ильянс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ильянс | Russia |
| Ilians | Nicaragua, Mexico, Chile, Brazil, Venezuela |