Ali ibn Isa ibn Mahan
| Shaykh hadhihi'l-dawla  (title give by caliph al-Amin) Ali ibn Isa ibn Mahan  علي بن عيسى بن ماهان | |
|---|---|
| Commander of the Caliphal guard (Haras) | |
| In office 780s–796 | |
| Governor of Khorasan | |
| In office 796–807/808 | |
| Monarch | Harun al-Rashid | 
| Personal details | |
| Born | Abbasid Caliphate | 
| Died | 3 July 811 Baghdad, Abbasid Caliphate | 
| Children | Isa, Husayn | 
| Parent | Isa ibn Mahan | 
| Military service | |
| Allegiance | Abbasid Caliphate | 
| Years of service | 780–811 | 
| Rank | Commander | 
| Battles/wars | Fourth Fitna | 
Ali ibn Isa ibn Mahan (Arabic: علي بن عيسى بن ماهان, romanized: ʿAlī ibn ʿĪsā ibn Māhān; fl. 779/80 – 3 July 811) was an Iranian military leader of the Abbasid Caliphate in the late 8th and early 9th centuries.