Grand Ayatollah Sayyid Mousa Shubairi Zanjani (, born 2 March 1928) is an Iranian Twelver Shia Marja'.

Biography

He was born in Qom to Sayyid Ahmed Shubairi Zanjani in Azerbaijani family. He has studied in the Qom Seminary under Sayyid Hossein Borujerdi and Mohaqeq Damad, as well as in the Najaf Seminary under Sayyid Abu al-Qasim al-Khoei, Sayyid Muhsin al-Hakim, and Sayyid Abd al-Hadi Shirazi. He currently resides and teaches in the seminary of Qom. He is a leading expert on the discipline of Ilm ar-Rijal, which seeks to authentically and efficiently pass judgment on the reliability of narrators of Hadith. He leads the prayers in the Fatima Masumeh Shrine. His students include: Sayyid Muhammad-Kadhim al-Tabatabaei, Sayyid Abd al-Hadi al-Mas'udi, and Sayyid Adil al-Alawi.