Ayatollah Mohammad Reza Mahdavi Kani was an Iranian Shia cleric, writer and conservative and principlist politician who was Prime Minister of Iran from 2 September until 29 October 1981. Before that, he was Minister of Interior in the cabinets of Mohammad-Ali Rajai and Mohammad-Javad Bahonar. He was the leader of Combatant Clergy Association and Chairman of the Assembly of Experts and also founder and president of Imam Sadiq University.

The Ministry of Interior of the Islamic Republic of Iran is in charge of performing, supervising and reporting elections, policing, and other responsibilities related to an interior ministry.