Surname Kosminina (Kosminina 
, Косминина 
, Косьминина ) , in the world, is a very rare family name. The surname Kosminina is characteristic of Kyrgyzstan, where it is a rare surname, Russia, where it is a very rare surname, and Georgia. Not in comparison with a country's population, it is the most numerous in Russia, Kyrgyzstan, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kosminina | Ukraine, Georgia |
| Косминина | Kyrgyzstan, Kazakhstan, Russia |
| Косьминина | Russia |
Косминіна, Космінина, Космініна, Косьминіна, and Косьмініна