Al-Abbas ibn al-Ma'mun was an Abbasid prince and general, the son of the Abbasid caliph al-Ma'mun. A distinguished military leader in the Arab–Byzantine wars, he was passed over in the succession in favour of his uncle al-Mu'tasim. In 838, he was arrested for his involvement in a failed conspiracy against al-Mu'tasim, and died in prison.
- Occupation
- military leader, wali
- Citizenship
- Abbasid Caliphate
- Born
- 801
- Died
- 838
