The Democratic Socialist Coalition (Spanish: Coalición Socialista Democrática, CSD) was a Cuban political coalition, led by Fulgencio Batista. The party was founded in 1939, and served for the 1940 general elections, won by Batista. The founding parties and members were four: the Liberal Party (liberal), the (conservative), the Communist Revolutionary Union (communist), and the (conservative). In the 1954 elections, the CSD ran as the National Progressive Coalition.