Justice Mehr Chand Mahajan (1889–1967) was the third Chief Justice of the Supreme Court of India. Prior to that he was the Prime Minister of the state of Jammu and Kashmir during the reign of Maharaja Hari Singh and played a key role in the accession of the state to India. He was the Indian National Congress nominee on the Radcliffe Commission that defined the boundaries of India and Pakistan. Justice Mahajan made his name as an accomplished lawyer, a respected judge, and an influential politician. As a judge he was incisive and forthright and had many leading judgements to his credit.