Family name Roszczewski (Roszczewski 
) , in all the world, is a rare cognomen. The last name Roszczewski is habitual in Poland, where it is a very rare surname, the United States, and Brazil, where it is an extremely rare surname. Also, Roszczewski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roszczewski | Brazil, United States, Poland |