Surname Друженькова (Друженькова 
) , across the world, is a very rare cognomen. The last name Друженькова is habitual in Kyrgyzstan, where it is a very rare surname, Kazakhstan, and Ukraine, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Kazakhstan, Kyrgyzstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Друженькова | Kyrgyzstan, Kazakhstan, Russia, Ukraine |