List of Famous people named Ja-far

Jaʿfar ibn Muḥammad aṣ-Ṣādiq, commonly known as Ja‘far al-Ṣādiq or simply as-Sadiq, was an 8th-century Greatest Muslim scientist, chemist, physician, philosopher, mathematician, astronomer, and scholar.

Ja'far ibn Abi Talib, also known as Jaʿfar aṭ-Ṭayyār, was a Companion and cousin of the Islamic Nabi (Prophet) Muhammad, and an older brother of Ali.

Jaʽfar ibn Yahya Barmaki, Jafar al-Barmaki (767–803) also called Aba-Fadl, was a Persian vizier of the Abbasid caliph Harun al-Rashid, succeeding his father in that position. He was a member of the influential Barmakid family, formerly Buddhist leaders of the Nava Vihara monastery. Along with the rest of the Barmakids, he was executed in 803 at the orders of Harun al-Rashid.