Family name Swiniarski (Swiniarski 
) , across the world, is a rare cognomen. The family name Swiniarski is characteristic of Poland, where it is quite a rare surname, France, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is the most numerous in Poland, the United States, and France. More prevalently, Swiniarski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Swiniarski | Germany, Canada, France, Poland, United States |