Cognomen Sluzar (Sluzar 
) , worldwide, is a very rare family name. The cognomen Sluzar is habitual in Argentina, where it is a very rare surname, Canada, and New Zealand. In absolute terms, it is commonest in Argentina, the United States, and Canada. Likewise, Sluzar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sluzar | United States, Poland, Argentina, Canada, New Zealand |