Family name Kowalczuk (Kowalczuk 
, Ковальчук 
) , around the globe, is a widespread last name. The family name Kowalczuk is characteristic of Eastern Europe, particularly Ukraine, where it is a common surname, Belarus, where it is quite a common surname, and Russia (explore the name in all countries). Much less frequently, Kowalczuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kowalczuk | France, Brazil, United States, Poland, Argentina |
| Ковальчук | Kazakhstan, Ukraine, Kyrgyzstan, Belarus, Russia |
|
jan kowalczuk Captain of the Polish Army, PL (b. 1893) |
|
|
jerzy kowalczuk Polish geophysicist, PL (b. 1926) |
|
| józef kowalczuk PL (b. 1885) |
|
|
|
piotr kowalczuk deputy president of Gdańsk, PL (b. 1976) |
|
| jadwiga kowalczuk Polish sportsperson and athletics competitor, PL (b. 1931) |
|
|
| zdzisław kowalczuk Polish engineer, PL (b. 1953) |
|
|
| ilko-sascha kowalczuk German historian, DE (b. 1967) |
|
|
| cezary kowalczuk (b. 1960) |
|
|
| cezary kowalczuk PL (b. 1960) |
|
|
| zygmunt kowalczuk (b. 1963) |
|
|
| hugo kowalczuk (b. 1967) |
|
|
| marek kowalczuk researcher (ORCID 0000-0002-2877-7466) |
|
|
| piotr kowalczuk researcher ORCID ID = 0000-0001-6016-0610 |
|
|
| paweł kowalczuk basketball player (1980-), PL (b. 1980) |
|
|
| dorota kowalczuk researcher, PL |
|