Cognomen Ekaterinina (Екатеринина 
, Ekaterinina 
) , around the world, is a rare surname. The surname Ekaterinina is characteristic of Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Very seldom, Ekaterinina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Екатеринина | Kazakhstan, Russia, Ukraine |
| Ekaterinina | Russia, Brazil |