Zubayr ibn al-ʿAwwām (Arabic: زبير بن العوام;‎ 594–656) was an Arab Muslim commander in the service of the Islamic prophet Muhammad and the caliphs Abu Bakr (r. 632–634) and Umar (r. 634–644) who played a leading role in the Ridda Wars against rebel tribes in Arabia in 632–633 and later participated in early Muslim conquests of Sasanian Iraq in 633–634, Byzantine Syria in 634–638, and the Exarchate of Africa in 639–643.