Grand Ayatollah Mirza Mohsen Koochebaghi Tabrizi (; 9 January 1924 â 3 August 2011) was an Iranian Twelver Shia Marja.
Tabrizi was born on 9 January 1924 in Tabriz, Iran. His father, Ayatollah Mirza Abbas Kochebaghi, was also a Grand Ayatollah (Marja'). Tabrizi studied in seminaries in Najaf, Iraq under Grand Ayatollah Abul-Qassim al-Khoei and Mirza Fataah Shahidi Tabrizi.
He was famous for his religious careers in Tabriz. He was Friday Prayers Imam of Jameh Mosque of Tabriz for years.
He died on 3 August 2011 in his house after a heart attack. His funeral was held on 4 August 2011 and he was buried in Vadi-e Rahmat of Tabriz.