Across the world, Ильясова (Ильясова 
, Ilyasova 
, Iliasova 
) is a very rare female forename. Much more frequently, Ильясова is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ильясова | Kazakhstan, Belarus, Kyrgyzstan, Uzbekistan, Russia |
| Ilyasova | Turkmenistan, Kazakhstan, Uzbekistan, Russia, Azerbaijan |
| Iliasova | Kazakhstan, Georgia, United States, Slovakia, Russia |