Ali III of Bornu
| Ali III | |
|---|---|
| Mai of the Kanem–Bornu Empire | |
| Reign | 1645–1684 |
| Predecessor | Omar III |
| Successor | Idris IV |
| Issue | Idris IV Dunama VII |
| Dynasty | Sayfawa dynasty |
| Father | Omar III |
Ali III (ʿAlī bin ʿUmar), also known as Hajj-Ali (al-Ḥājj ʿAlī), was the mai of the Kanem–Bornu Empire in 1645–1684.