Cognomen Романова-Ильинская (Романова-Ильинская 
) , in the world, is a very rare surname. The cognomen Романова-Ильинская is habitual in Eastern Europe, particularly Russia, where it is a very rare surname. Parts of the name also exists independently as a last name Романова, and a last name Ильинская.
| VARIANT | COUNTRY |
|---|---|
| Романова-Ильинская | Russia |