Surname イリヤ (Ilia 
, Ilija 
, Ilya 
, and others...) , globally, is a common last name. The surname イリヤ is characteristic of North Macedonia, where it is a common surname, Georgia, and Cyprus (explore the name in all countries). In absolute terms, it is the most numerous in Georgia, North Macedonia, and Nigeria. More prevalently, イリヤ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ilia | Nigeria, Georgia, Croatia, United States, Russia |
| Ilija | Nigeria, Serbia, Croatia, Russia, North Macedonia |
| Ilya | Germany, Nigeria, Serbia, United States, Russia |
| Ilja | Germany, Serbia, Croatia, United States, Russia |
| イリヤ | Japan |
Elia, Eliahu, Elias, Eliasz, Elie, Elies, Elija, Eliyahu, Eliáš, Ellie, Elías, Ilian, Ilias, Ilie, Ilijan, Iliya, Iliyan, Ilià, Iliá, Ilián, Illa, Illes, Illia, Illja, Illya, Illés, Ilyas, Iriya, Élie, Ελίας, Ηλίας, Елиа, Илеш, Илиан, Илиас, Илие, Илия, Илија, Илко, Иллеш, Илля, Илчо, Ильюша, Илья, Ильяс, Илюха, Илюша, Иля, Эли, Элиа, Элиас, Элиаш, Ілияс, Ілля, Ілья, Іліас, איליה, אילש, אליאס, אליהו, إليا, إلياس, إيلي, إيليا, الیاس, ایلیا, خوسيه, ილია, イリア, イリアス, イリエ, エリ, エリア, エリアス, エリー, 埃利, 埃利亚斯, and 艾利