The Islamic Republic of Iran Broadcasting formerly called National Iranian Radio and Television until the Iranian revolution of 1979, is an Iranian state-controlled media corporation that holds a monopoly of domestic radio and television services in Iran. It is also among the largest media organizations in Asia and the Pacific region and a regular member of the Asia-Pacific Broadcasting Union. Its head is appointed directly by the Supreme Leader, Ayatollah Ali Khamenei.

National Iranian Radio and Television was the first Iranian state broadcaster, which was established on June 19, 1971, following the merger of the country's radio and television services. It operated up until the Iranian Revolution in 1979, after which NIRT became the Islamic Republic of Iran Broadcasting (IRIB).