Abū 'Ubayd ibn Mas'ūd ibn 'Amr ibn 'Umayr ibn 'Awf ibn Uqda ibn Ghayra ibn Awf ibn Thaqif al-Thaqafi, or simply Abu Ubayd, was a commander in the army of the Rashidun Caliphate. He was from Ta'if in western Arabia, and belonged to the tribe Banu Thaqif.