Around the world, Илийа (Iliya 
, Ilija 
, Илийа 
) is a widespread mostly male, but uncommonly girly given name. The first name Илийа is habitual in Southern Europe, particularly Croatia, where it is a common boy's name, Montenegro, where it is quite a common boy's name, and North Macedonia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Nigeria, Croatia, and India. Likewise, Илийа is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iliya | Nigeria, Germany, India, Greece, Bulgaria |
| Ilija | Serbia, Nigeria, North Macedonia, Bosnia and Herzegovina, Croatia |
| Илийа | Russia |
Илийа is also a name for the fictitious and mythical characters: Ilija Strelja , the character from novel Turk Lejla: (lines from the wars for freedom), Turkified Lejla: (sketches from the wars for freedom) and Ilija , the character from novel Peasants: a short story from rural life, from the year 1857..