Moni Singh (Bengali: মনি সিংহ; 28 June 1901, Durgapur Upazila, Netrokona – 31 December 1990, Dhaka) was a preeminent Bengali Communist politician popularly known as Comrade Moni Singh. He was the founder of the Communist Party of East Pakistan. Singh operated a guerrilla wing of the Mukti Bahini during the Bangladesh Liberation War in 1971 and was an advisor to the Provisional Government of Bangladesh.