Cognomen Двойнинова (Двойнинова 
) , around the world, is a very rare surname. The last name Двойнинова is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname. Much less frequently, Двойнинова is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Двойнинова | Russia |