The 9th Senate of Poland was elected on 25 October 2015 at the 2015 parliamentary election and lasted between 12 November 2015 and 11 November 2019.

[1] Senate Marshal was Stanisław Karczewski (PiS).

Numbers of senators affiliated with following parliamentary clubs or caucuses as of the first and last day of the 9th term:[9] Full list of 100 senators elected on 25 October 2015 at 2015 election, and one senator by-elected on 6 March 2016:[10][11][12]