In the world, Иллеш (Illés 
, Illesh 
, Иллеш 
) is a rare unisex first name. The first name Иллеш is habitual in Hungary, where it is quite a rare dominantly boy's, but seldom girly name, Slovakia, where it is quite a rare masculine name, and Madagascar, where it is a rare girly name. Also, Иллеш is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Illés | Austria, Hungary, Czechia, Slovakia, Madagascar |
| Illesh | India, United States, Russia |
| Иллеш | Kazakhstan, Russia |
| Illeš | Czechia, Croatia |
Elia, Elias, Eliasz, Elie, Elies, Eliáš, Ellie, Elías, Ilias, Ilie, Ilija, Iliá, Ilja, Illech, Illes, Ilya, Élie, Ελίας, Ηλίας, Елиа, Илеш, Илиан, Илиас, Илие, Илия, Илија, Илко, Илчо, Илья, Эли, Элиа, Элиас, Элиаш, Ілля, Ілья, Іліас, איליה, אילש, אליאס, إليا, إلياس, إيلي, إيليا, ایلیا, خوسيه, イリアス, イリエ, イリヤ, エリ, エリア,