Jabril ibn Bukhtishu, (Jibril ibn Bakhtisha) also written as Bakhtyshu, was an 8th-9th century physician from the Bukhtishu family of Assyrian Nestorian physicians from the Persian Academy of Gundishapur. He was a Nestorian^[1] and spoke the Syriac language.^[2]

Grandson of Jirjis ibn Jibril, he lived in the second half of the eighth century.

He was physician to Ja'far the Barmakide, then in 805-6 to Harun al-Rashid and later to al-Ma'mun; died in 828-29; buried in the monastery of St. Sergios in al-Madain (Ctesiphon).

He wrote various medical works and exerted much influence upon the progress of science in Baghdad. Works attributed to him include Kitāb ṭabā’i‘ al-ḥayawān wa-khawāṣṣihā wa-manāfi‘ a‘ḍā’ihā ('Book of the Characteristics of Animals and Their Properties and the Usefulness of Their Organs'), written for Nasir al-Dawla; Risāla fī al-ṭibb wa-al-aḥdāth al-nafsāniyya ('Treatise on Medicine and Psychological Phenomena'); and Kitāb naʿt al-hayawān.^[1] He was a member of the Bakhtyashu family. He took pains to obtain Greek medical manuscripts and patronized the translators.