Cognomen Raschkowski (Raschkowski 
) , in all the world, is a rare last name. The cognomen Raschkowski is habitual in Germany, where it is a rare surname, Switzerland, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Much less frequently, Raschkowski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Raschkowski | Germany, Poland, Switzerland, Brazil |