Surname Wisznia (Wisznia 
) , in the world, is a very rare last name. The last name Wisznia is habitual in Israel, where it is a rare surname, Poland, where it is a very rare surname, and Argentina. Also, Wisznia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wisznia | Poland, Israel, Canada, Argentina, United States |