Family name Ilzir (Ильзир 
, Ilzir 
) , worldwide, is an extremely rare cognomen. The cognomen Ilzir is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. More prevalently, Ilzir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ильзир | Russia |
| Ilzir | Brazil |