Mohammad Ali Mousavi Jazayeri

Ayatollah Sayyid Mohammad-Ali Mousavi Jazayeri (; born 1941) is an Iranian Twelver Shia cleric, who was the representative of Vali-Faqih (Guardianship of the Islamic Jurist) in Khuzestan province from 1983 to 2019. He was elected by the order of Sayyid Ruhollah Khomeini, who was the previous Supreme Leader of Iran.

He was born in Shushtar, Khuzestan province, Iran. He descends from Nematollah Jazayeri as a prominent Shia scholar. Muhammad Ali Mousavi Jazayeri has studied in seminaries of Qom, Iran under Grand Ayatollah Ruhollah Khomeini and Mohammad Ali Araki; and also in seminaries of Najaf, Iraq under Grand Ayatollah Abu al-Qasim al-Khoei.

Meanwhile, Ayatollah Mousavi Jazayeri was considered as (the permanent) Imam al-Jom'ah of Ahvaz beside other (temporary) Imams of Jom'ah of Ahvaz, including: Ayatollah Heidari, Ayatollah Hassan zadeh, Ayatollah Hajati.

Works Among his (most important) scholarly works are as follows:

Theses on justice Al-Sawm (fast)