Ibn Uthal

{{Short description|7th-century physician of the Umayyad Caliphate}}

{{for|Muhammad's companion|Thumamah ibn Uthal}}

Ibn Uthal or Ibn Athal ({{langx|ar|ابن أثال}}) was an Arab Christian from Damascus who was the personal physician of the caliph Mu'awiya I and was regarded as the most distinguished of the medical practitioners of the early Umayyad period.{{Cite book |last1=Rāshid |first1=Rushdī |url=https://books.google.com/books?id=mnAXV09Z5bIC |title=Encyclopedia of the History of Arabic Science: Technology, alchemy and life sciences |last2=Morelon |first2=Régis |date=1996 |publisher=CRC Press |isbn=978-0-415-12412-6 |language=en}} His medical knowledge can be considered a continuation of the tradition that existed in pre-Islamic Arabia. He was skilled in toxicology and was reportedly killed in a revenge attack.{{cite book|last=Shahid|first=Irfan|title=Byzantium and the Arabs in the Sixth Century, Part 2|year=2010|publisher=Harvard University Press|isbn=978-0884023470|pages=179–181}}