Cognomen Sieruga (Sieruga 
) , in the world, is a very rare family name. The family name Sieruga is characteristic of Poland, where it is a rare surname, Australia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Australia. Likewise, Sieruga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sieruga | Canada, United States, Germany, Poland, Australia |