| Martha Vonk-van Kalker | |
| Birth Name: | Martha Catharina Annie Vonk-van Kalker |
| Birth Date: | 1943 9, df=y |
| Birth Place: | Groningen, Netherlands |
| Death Place: | Zoetermeer, Netherlands |
| Nationality: | Dutch |
| Party: | PvdA |
| Office: | Member of the Senate of the Netherlands |
| Term Start: | 1977 |
| Term End: | 1981 |
Martha Catharina Annie Vonk-van Kalker (23 September 1943 – 11 March 2022) was a Dutch politician. A member of the Labour Party, she served in the Senate from 1977 to 1981.[1] She died in Zoetermeer on 11 March 2022, at the age of 78.[2]