Mohammad Sadeq Amani (Persian: صادق امانی‎ محمدصادق) was an Iranian activist and religious scholar. He was a member of both Fada'iyan-e Islam and the Islamic Coalition Party. Amani was involved in the 1964 assassination of Hassan Ali Mansur, Prime Minister of Iran during the Shah Mohammad Reza Pahlavi administration. He was later executed by the regime for his part in the assassination.