| Helmut Kasimier | |
| Birth Date: | 17 October 1926 |
| Birth Place: | Breslau |
| Death Place: | Hannover) |
| Office1: | Member of Parliament (the Landtag) of Lower Saxony |
| Term Start1: | 1963 |
| Term End1: | 1986 |
| Office: | Finance Minister of Lower Saxony |
| Term Start: | 1974 |
| Term End: | 1976 |
Helmut Kasimier (17 October 1926 in Breslau – 16 April 2013 in Hannover) was a German politician, representative of the Social Democratic Party. Kasimier was a Member of Parliament (the Landtag) of Lower Saxony from 1963 to 1986, during which he was the Chairman of the SDP faction in the parliament from 1967 to 1974 and Finance Minister of Lower Saxony from 1974 to 1976.[1]