Munisamy Thambidurai is an Indian politician who serves as the current Deputy Speaker of the Lok Sabha and leader of All India Anna Dravida Munnetra Kazhagam (AIADMK) in the Lok Sabha, the lower house of the Indian Parliament. He had served as the Cabinet Minister of Law, Justice and Company Affairs and as the Minister of State of Surface Transport from March 1998 to April 1999.