The Socialist Party of Connecticut (SPCT) is a socialist political party in the U.S. state of Connecticut. Founded as an affiliate of the Socialist Party of America, the party split with the SPA in 1936 and joined the Social Democratic Federation. In 1957, the Social Democratic Federation reunified with the Socialist Party of America. In 1973, the SPA voted to reform and rename itself Social Democrats, USA, which sought to reform the Democratic Party. The current Socialist Party of Connecticut is the state chapter of the Socialist Party USA.