Cognomen Repenko (Репенко 
, Repenko 
) , all over the world, is quite a rare family name. The surname Repenko is habitual in Latvia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Belarus. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Репенко | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Repenko | Russia, Belarus, United States, Latvia, Ukraine |