Madan B. Lokur is a retired Indian judge who served as a judge of the Supreme Court of India from 2012 to 2018. He is known for his contributions to various important judgments, particularly in areas such as environmental law, human rights, and constitutional matters. Before his tenure at the Supreme Court, Lokur held positions in the Delhi High Court and served as the Chief Justice of the High Court of Andhra Pradesh. After retirement, he has continued to engage in legal and judicial reforms, emphasizing the importance of access to justice for all citizens.