Maria Koc | |
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| Deputy Marshal of the Senate | |
| In office 12 November 2015 – 12 November 2019 | |
| Personal details | |
| Born | 1964 Prudnik, Poland |
| Political party | Law and Justice |
| Alma mater | University of Warsaw |
| Signature |  |
Maria Zofia Koc (born 22 August 1964, in Prudnik) is a Polish politician. She has served in the Senate since 2014, and as a Deputy Marshal of the Senate since 2015.