Grand Ayatollah Mohammad Sadeqi Tehrani (Persian: محمد صادقی تهراني) (born 1926 - died March 21, 2011) was an Iranian Twelver Shi'a Marja.He has studied in seminaries of Qum, Iran under Grand Ayatollah Ruhollah Khomeini and Muhammad Husayn Tabatabaei. He died on March 21, 2011 at the age of 85.