Surname Grotkowski (Grotkowski 
) , globally, is a rare cognomen. The surname Grotkowski is habitual in Poland, where it is a rare surname, New Zealand, and Canada. Not in comparison with a country's population, it is commonest in Poland, the United States, and Canada. Likewise, Grotkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grotkowski | Canada, Brazil, Poland, United States, Germany |
| ferdynand grotkowski (b. 1805) |
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| józef grotkowski Polish sportsperson, PL (b. 1926) |
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| mieczysław grotkowski PL (b. 1928) |
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| jan grotkowski |
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