| Barbara Marty Kälin | |
| Birth Date: | 1954 3, df=y |
| Birth Place: | Schaffhausen, Switzerland |
| Nationality: | Swiss |
| Party: | SP |
| Office: | Member of the Swiss National Council |
| Term Start: | 5 June 2000 |
| Term End: | 2 December 2007 |
| Office2: | Member of the Cantonal Council of Zürich |
| Term Start2: | 1991 |
| Term End2: | 2003 |
Barbara Marty Kälin (28 March 1954 – 27 November 2022) was a Swiss politician. A member of the Social Democratic Party, she served in the National Council from 2000 to 2007.[1]
Kälin died on 27 November 2022, at the age of 68.[2]