Last name Michalczak (Michalczak 
) , in all the world, is a rare cognomen. The last name Michalczak is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and France. Likewise, Michalczak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Michalczak | United States, France, Poland, Germany, Canada |
| elżbieta michalczak Polish sportsperson and athletics competitor, PL (b. 1941) |
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| thomas michalczak chess player (b. 1973) |
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| katarzyna michalczak (b. 1981) |
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