Muḥammad ibn Marwān ibn al-Ḥakam (died 719/720) was an Umayyad prince and one of the most important generals of the Caliphate in the period 690–710, and the one who completed the Arab conquest of Armenia. He defeated the Byzantines and conquered their Armenian territories, crushed an Armenian rebellion in 704–705 and made the country into an Umayyad province.