Nilenthi Nimal Siripala de Silva MP (born 6 September 1944) is a Sri Lankan politician currently serving as the Minister of Ports, Shipping and Aviation and former Cabinet Minister of Transport and Civil Aviation in 15th Parliament of Sri Lanka. He was the former Leader of the Opposition, former Minister of Irrigation and Water Resources Management and former Leader of the House. He is a member of the Sri Lanka Freedom Party and a Member of Parliament representing the Badulla District.