Around the world, Siekierski (Siekierski 
) is a very rare masculine forename. The given name Siekierski is habitual in Eastern Europe, particularly Poland, where it is a very rare masculine name. Likewise, Siekierski is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Siekierski | Brazil, Poland, France, United States, Germany |