Family name Iliaeva (Iliaeva 
, Иляева 
, Ильяева 
) , across the world, is a rare surname. The cognomen Iliaeva is habitual in Georgia, where it is a rare surname, Russia, and Kyrgyzstan. In absolute terms, it is commonest in Russia, Kazakhstan, and Georgia.
| VARIANT | COUNTRY |
|---|---|
| Iliaeva | Georgia, Germany |
| Иляева | Kazakhstan, Russia |
| Ильяева | Kazakhstan, Russia, Kyrgyzstan, Israel |
| Илиаева | Russia |