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 .