Ram Lakhan Singh Yadav (3 March 1920 – 16 January 2006) was an Indian politician. He was elected to the 10th Lok Sabha, lower house of the Parliament of India from the Arrah, Bihar in 1991 as a member of the Janata Dal but joined the Congress in controversial circumstances which helped save Narasimha Rao Government in the 28 July 1993 no confidence vote. He was later made Minister for Chemicals and Fertilizers in the Narasimha Rao Government.