Abū ʿUthmān ʿAmr ibn ʿUthmān ibn ʿAffān (Arabic: عمرو بن عثمان بن عفان) was the eldest or one of the eldest sons of Caliph Uthman and played political and military roles during the caliphates of Mu'awiya I (r. 661–680), Yazid I (r. 680–683) and Marwan I (r. 684–685).