Sayyid Mohammad Mirmohammadi (Persian: سید محمد میرمحمدی‎; 1948 – 2 March 2020) was an Iranian conservative and principlist politician who served as the senior adviser to Iran's Supreme Leader Ayatollah Ali Khamenei, and a member of Expediency Discernment Council.

Mohammad was a member of the central council of the Islamic Republic Party, presidential chief of staff during the presidencies of Ayatollah Ali Khamenei and Akbar Hashemi Rafsanjani, and secretary general of the Islamic Civilization Party.

[5] Mirmohammadi was appointed a member of the Expediency Discernment Council in August 2017.

[5] Mirmohammadi died from coronavirus disease 2019 (COVID-19) on 2 March 2020, aged 71.

At the time, he was the highest-ranking official within Iran's leadership to die of the virus.