Family name Korenchuk (Korenchuk 
, Коренчук 
) , worldwide, is quite a rare cognomen. The surname Korenchuk is habitual in Belarus, where it is quite a rare surname, Ukraine, and Azerbaijan. Not in comparison with a country's population, it is the most numerous in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Korenchuk | Germany, Russia, Belarus, United States, Argentina |
| Коренчук | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
Mr, James, Jesus, Julie, Juana, Nancy, Elena, Erica, Olena, Oscar, Yulia, Monica, Sandra, Sergey, Stella, Andrea, Connor, Robert, Dennis, Tracey, Hilary, Fabian, Janet, David, Roman, Keith, Ms, Ana, Amy, Mike, Axel, Lois, Jako, Jose, John, Joan, Zulema, Juan, Olga, Maria, Marta, Maxim, Mirta, Sasha, Susan, Sonia, Kathy, Korey, Nina, and Marcelo