Cognomen Kaczmarek (Kaczmarek 
, Качмарек 
, Kazmarek 
) , worldwide, is a common surname. The cognomen Kaczmarek is habitual in Poland, where it is quite a common surname, Germany, where it is quite a rare surname, and Ireland. Not in comparison with a country's population, it is commonest in Poland, Germany, and the United States. Likewise, Kaczmarek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaczmarek | United Kingdom, United States, Germany, Poland, France |
| Качмарек | Belarus, Ukraine, Russia, Kazakhstan |
| Kazmarek | Brazil, Canada, United States, Germany, France |
| Katzmarek | Argentina, United States, Germany, France, Spain |
|
jan stanisław kaczmarek Polish officer (1894-1981), PL (b. 1894) |
|
|
jan kaczmarek Polish politician, PL (b. 1895) |
|
|
ignacy kaczmarek PL (b. 1888) |
|
|
czesław kaczmarek PL (b. 1895) |
|
|
leon kaczmarek Polish linguist, PL (b. 1911) |
|
|
roman kaczmarek PL (b. 1912) |
|
|
julian kaczmarek Polish officer, PL (b. 1923) |
|
| marcin kaczmarek PL (b. 1867) |
|
|
|
franciszek kaczmarek Polish physicist, PL (b. 1928) |
|
|
marian kaczmarek Polish teacher, PL (b. 1934) |
|
| jan kaczmarek (b. 1876) |
|
|
| regidius marion clemens kaczmarek botanist (b. 1888) |
|
|
|
tomasz kaczmarek PL (b. 1936) |
|
|
jerzy kaczmarek Polish fencer, PL (b. 1948) |
|
| stanisława kaczmarek Polish Righteous Among the Nations, PL (b. 1899) |
|