Surname Doktorczyk (Doktorczyk 
) , around the globe, is a rare last name. The surname Doktorczyk is characteristic of Belgium, where it is a rare surname, Poland, and Germany, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Poland, the United States, and Germany. Also, Doktorczyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Doktorczyk | United States, Belgium, Poland, Germany, Brazil |
| mike doktorczyk college basketball player (1987–1989) UC-Irvine |
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| rob doktorczyk college basketball player (1986–1990) UC-Irvine |
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| stephen s. doktorczyk |
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