The Members of the 2nd Sejm of the Polish People's Republic were elected during the 1957 Polish parliamentary election, which took place on January 20, 1957. The first session was held on February 20, 1957, and the last, the 59th session, on February 17, 1961. The term of office of the Sejm lasted from February 20, 1957 to February 20, 1961.
Re-elections:
Bye-elections:
Political party affiliations at the first session of the Sejm of the second term and the status at the end of the term.
Deputies of the second term were associated in the following parliamentary parties: