Worldwide, Ильган (Ильган 
, Ilgan 
) is a very rare boy's first name. The first name Ильган is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare boy's name. More prevalently, Ильган is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ильган | Russia |
| Ilgan | Turkey, Georgia, Germany, Philippines |