Ardashir Mirza Rokn ed-Dowleh (Persian: اردشیر میرزا رکن الدوله; 1805/06 – 1866) was a Qajar prince who held the governorship of several Iranian provinces during the reigns of Fath-Ali Shah Qajar (r. 1797–1834), Mohammad Shah Qajar (r. 1834–1848) and Naser al-Din Shah Qajar (r. 1848–1896).

He was the ninth son of Abbas Mirza.

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