Cognomen Ileas (Ileas 
) , around the globe, is a rare last name. The family name Ileas is characteristic of Oman, where it is a rare surname, Malaysia, and Saudi Arabia. Not in comparison with a country's population, it is commonest in Malaysia, Pakistan, and Saudi Arabia. More prevalently, Ileas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ileas | Bangladesh, Pakistan, India, Malaysia, Saudi Arabia |