All around the world, Illia (Illia 
, Илля 
, Киріяк ) is a rare unisex first name. The given name Illia is habitual in Slovakia, where it is a rare male name, Belarus, and Switzerland. Not in comparison with a country's population, this name is the most popular in Nigeria, the United States, and Indonesia. Very seldom, Illia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Illia | Niger, Belarus, Poland, Argentina, Ukraine |
| Илля | Kazakhstan, Russia, Ukraine |
| Киріяк | Ukraine |
| Ильиа | Russia |
Eliahu, Elias, Eliasz, Elie, Elies, Eliyahu, Eliáš, Ellie, Elías, Ilia, Ilias, Ilie, Ilija, Ilià, Iliá, Ilja, Illa, Illja, Illya, Illía, Ilya, Ilyas, Élie, Ελίας, Ηλίας, Илиан, Илиас, Илие, Илия, Илија, Илко, Иллиа, Иллйа, Иллья, Илчо, Ильля, Ильюша, Илья, Ильяс, Илюха, Илюша, Иля, Эли, Элиас, Элиаш, Ілияс, Ілля, Ілліа, Ілья, Іліас,
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illia stamboli TR (b. 1871) |
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| martín illia IT (b. 1861) |
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galo soler illia Argentinian chemist, AR (b. 1970) |
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| illia v fedorin researcher |
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| illia dobryden researcher ORCID ID = 0000-0001-6877-9282, SE |
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| illia horenko researcher |
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| illia o mariutsa researcher |
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| illia donhauzer researcher (mathematics & statistics) |
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| illia smelianskyi figure skater |
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| illia e serdiuk researcher |
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| illia krasnou researcher (ORCID 0000-0002-6459-0199) |
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| illia senko researcher |
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| illia polosukhin |
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| illia lahunou BY (b. 1989) |
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| illia yehorov (b. 1995) |
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