Worldwide, Gniewko (Gniewko 
) is a very rare boy's forename. The first name Gniewko is characteristic of Eastern Europe, particularly Poland, where it is a rare male name. Very seldom, Gniewko is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gniewko | United States, Poland, Canada |
| gniewko niedbała researcher |
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