| Marian Rentgen | |
| Birth Name: | Marian Antoni Güntner |
| Birth Date: | 23 June 1888 |
| Birth Place: | Bochnia, Congress Poland |
| Death Place: | Katyn, Soviet-occupied Poland |
| Occupation: | Actor and director |
| Yearsactive: | 1913–1939 |
Marian Rentgen (born Marian Antoni Güntner; 23 June 1888 – April 1940) was a Polish actor and director.[1] He was active in theatre and film between 1913 and 1938. He was killed in the Katyn massacre in April 1940.[2]