Surname Илияз (Iliyaz 
, Илияз 
, Ilijaz 
) , in the world, is quite a rare family name. The family name Илияз is characteristic of Kyrgyzstan, where it is quite a rare surname, Bulgaria, and North Macedonia, where it is a rare surname. Measured by absolute frequency, the name is most common in Kyrgyzstan, India, and Bulgaria. More prevalently, Илияз is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iliyaz | Kuwait, Bulgaria, Pakistan, Saudi Arabia, India |
| Илияз | Russia, Kazakhstan, Bulgaria, Azerbaijan, Kyrgyzstan |
| Ilijaz | Bosnia and Herzegovina, Montenegro, United States, North Macedonia, India |