Mohammad Reza Mahdavi Kani (Persian: ??????? ????? ????, 6 August 1931 – 21 October 2014) was an Iranian Shia cleric, writer and conservative politician who was Acting Prime Minister of Iran from 2 September until 29 October 1981.
Before that, he was Minister of Interior and Minister of Justice 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.
On 4 June 2014, Mahdavi Kani was hospitalized in Bahman Hospital and went into a coma after suffering a heart attack.