Mohammad-Javad Bahonar was a Shia Iranian theologian and politician who served as the Prime Minister of Iran for less than one month in August 1981. Bahonar and other members of Mohammad-Ali Rajai's government were assassinated by Mujahideen-e Khalq.

The prime minister of Iran was a political post that had existed in Iran (Persia) during much of the 20th century. It began in 1906 during the Qajar dynasty and into the start of the Pahlavi dynasty in 1923 and into the 1979 Iranian Revolution before being abolished in 1989.