Seyed Hassan Mortazavi Shahroudi Persian: سید حسن مرتضوی شاهرودی, is an Iranian Ayatollah.

[1] He currently teaches Fiqh in Darse Khariji levels in Mashhad Islamic Seminary, and was one of the students of Ruhollah Khomeini in Najaf.

He taught high-level advanced Islamic courses in Najaf's Dar al-Hikma School, such as works on Usul Al-Fiqh by Murtadha al-Ansari, Fariad al-Usul (Rasa'l), and Makasib.

[5][6][7] After receiving pressure from Saddam Hussein's Ba'athist Iraq during the Iran–Iraq War, Shahroudi fled to Iran.

He went on to teach a number of vast topics derived from Fiqh such as Hajj, Qisas, Ijitihad & Taqlid, Khums, Riba, Fasting, Iʿtikāf, Diya, Qada, and Hudud.