Grand Ayatollah Sayyid Mohammad Hadi Milani (Arabic: محمد هادي الحسيني الميلاني; Persian: محمد هادى حسينى ميلانى; July 1, 1895 – August 7, 1975) was an Iraqi-Iranian marja'. al-Milani was also active in political and social affairs. When he moved to Mashhad, the Islamic seminary of Mashhad flourished. He contributed to the establishment of many Islamic seminary schools across Iran, as well as focused on a lot of Islamic propagation.