Social Democratic Labour Party may refer to:
Estonian Social Democratic Labour Party, merged into the Estonian United Left Party Social Democratic Labour Party of Lithuania, LDDP Social Democratic Workers' Party (Netherlands) Social Democratic and Labour Party, Northern Ireland Russian Social Democratic Labour Party Social Democratic Labour Party of Trinidad and Tobago Swedish Social Democratic Party, (Swedish: Sveriges socialdemokratiska arbetareparti, SAP; literally, "Social Democratic Labour Party of Sweden")
See also Social Democratic Party