Mohammad Hassan Khan Sardar Iravani, originally Mohammad Hassan Khan Qajar-Ziyadlu 'Sardar-e Iravan', was a Qajar notable and political figure in 19th century Iran during the reign of Mohammad Shah Qajar and Nasser al-Din Shah Qajar. He died on August 30, 1855.

Born as the eldest son and heir of the formerly hereditary ruler of the khanate of Iravan, Mohammad Khan Qajar-Ziyadlu, from a cadet branch of the Qajar dynasty of Persia, Mohammad Hassan Khan moved from the Caucasus to Tehran, was married there to Princess Mahrokhsar Khanom "Fakhr od-Dowleh", daughter of the crown prince Abbas Mirza and sister of the future Mohammad Shah, and got important governmental posts.

• Abdulah Khan Iravani
• Yusef Khan Sartip
• Abdol Hossein Khan "Fakhr ol-Molk"
• Abol Fath Khan "Sarem od-Dowleh"
• Badie ol-Jamal Khanom I, married her maternal cousin Anoushiravan Mirza, eldest son of Bahman Mirza.

• The Qajar dynasty pages: Children of Nasser-ed-Din Shah Qajar (Kadjar).
• Bamdad, Mehdi (1999). Sharh-e hal-e Rejal-e Iran. Tehran: Zavvar.
• Barjesteh van Waalwijk van Doorn (Khosrovani)/ Bahman Bayani, L.A. Ferydoun (2004). "The Fath Ali Shah Project", in: Qajar Studies. Journal of the International Qajar Studies Association, Volume IV. Rotterdam: Barjesteh van Waalwijk van Doorn.
• The Treasure Map to the Forgotten Epoch of the Iravan Khanate