Benoît Frachon (13 May 1893 – 1 August 1975) was a French metalworker and trade union leader who was one of the leaders of the French Communist Party (Parti communiste français, PCF) and of the French Resistance during World War II (1939–45). He was Secretary-General of the Confédération générale du travail (CGT) from 1945 to 1967.