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 | Poland, Canada, Brazil, Germany, United States |
| ferdynand grotkowski (b. 1805) |
|
|
| józef grotkowski Polish sportsperson, PL (b. 1926) |
|
|
| mieczysław grotkowski PL (b. 1928) |
|
|
| jan grotkowski |
|