The Senegalese Popular Bloc (in French: Bloc Populaire Sénégalais (BPS)) was the result of the merger of the Senegalese Democratic Bloc (BDS) of Léopold Sédar Senghor, Senegalese Democratic Union (UDS), Casamancian Autonomous Movement (MAC) and a fraction of the Senegalese Popular Movement (MPS) led by Abdolaye Thiaw. It held its constitutive congress in Dakar from February 23–25, 1957.