Surname Eilyas (Elyas 
, Eilyas 
) , across the world, is a common cognomen. The last name Eilyas is characteristic of Sudan, where it is quite a common surname, Brunei, and Saudi Arabia, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Ethiopia, Sudan, and Saudi Arabia. Also, Eilyas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Elyas | Saudi Arabia, Indonesia, Afghanistan, Ethiopia, Sudan |
| Eilyas | India, Morocco, Malaysia, Indonesia, Ethiopia |