The Independent Socialist Labour Party (Polish: Niezależna Socjalistyczna Partia Pracy) was a political party in Poland. The party was founded on March 12, 1922, in Krakow. Initially the party bore the name Party of Independent Socialists (Partia Niezależnych Socjalistów). Bolesław Drobner was the chairman of the party. The party became affiliated with the Vienna International. The party demanded nationalizations of key industries, equality for national minorities and development of bilateral links with the Soviet Union. The party obtained 0.2% of the national vote in the 1928 Sejm election.