The 8th Senate of Poland was elected on 9 October 2011 at the 2011 parliamentary election and lasted between 8 November 2011 and 11 November 2015.

[1] Senate Marshal was Bogdan Borusewicz (PO) for the third time in a row.

[2] Numbers of senators affiliated with following parliamentary clubs or caucuses as of the first and last day of the 8th term:[6] Full list of 100 senators elected on 9 October 2011 at 2011 election,[7] and 6 by-elected senators:[8][9][10][11]