Mihail Cantacuzino (b. 1640 – d. 1716) was the son of the Grand Chamberlain Constantin Cantacuzino. Mihail Cantacuzino was grand steward of Wallachia in the late seventeenth century. He was the founder of Sinaia Monastery, after a pilgrimage to Palestine and the Sinai Peninsula. He was acknowledged in the inscription mounted on the Colţei Tower.