Cognomen Котсиуба (Котсиуба 
, Kotsiuba 
, Kotsyuba 
) , globally, is a rare last name. The surname Котсиуба is habitual in Poland, where it is a rare surname, Belarus, where it is a very rare surname, and Spain. Not in comparison with a country's population, it is commonest in Russia, Poland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Котсиуба | Russia |
| Kotsiuba | Poland, United States, Ukraine |
| Kotsyuba | Spain, United States, Germany, Russia, Ukraine |