Mirza Yahya Khan Moshir od-Dowleh Qazvini (Persian: میرزا یحییخان مشیرالدوله قزوینی; 1832 – 20 January 1892), was an Iranian politician and minister during the Qajar era.
He was the fourth husband to a sister of Naser al-Din Shah Qajar, Ezzat ed-Dowleh.
[2] He was the son of Mirza Nabi Khan Amir od-Dowleh, who served as Governor of Fares and Isfahan.
Moshir od-Dowleh finished his higher education in Paris, France.
Mirza Yahya Khan Moshir od-Dowleh died in Tehran and was buried in Mashhed in 1892.