Surname Kotsjuba (Коцюба 
, Kotsjuba 
) , across the world, is quite a common family name. The last name Kotsjuba is habitual in Ukraine, where it is quite a common surname, Estonia, where it is quite a rare surname, and Kazakhstan. Not in comparison with a country's population, it is commonest in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Коцюба | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kotsjuba | Estonia |