Cognomen Olszewska-Muchin (Olszewska-Muchin 
) , worldwide, is an extremely rare surname. Predominantly, Olszewska-Muchin is the forename as well as the last name. Parts of the name also exists independently as a first name Olszewska, and a last name Muchin.
| VARIANT | COUNTRY |
|---|---|
| Olszewska-Muchin | Poland |