Members of the 2nd Sejm of the Polish People's Republic

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:
 * in the electoral district no. 37 in Nowy Sącz - March 17, 1957

Bye-elections:
 * in the electoral district no. 54 in Wieluń - May 5, 1957
 * in the electoral district no. 36 in Myślenice - October 19, 1958
 * in the electoral district no. 108 in Oleśnica - October 19, 1958

Political party affiliations at the first session of the Sejm of the second term and the status at the end of the term.

As at the end of the term
Deputies of the second term were associated in the following parliamentary parties:
 * Polish United Workers' Party - 238 deputies, the party chairman was Zenon Kliszko
 * United People's Party - 117 deputies, the party chairman was Bolesław Podedworny,
 * Democratic Party - 39 MPs, the party chairman was Jan Wende,
 * Znak - 8 MPs, the party chairman was Stanisław Stomma,
 * Non-partisan MPs – 52 MPs.