Dunama IV
| Dunama IV | |
|---|---|
| Mai of the Kanem–Bornu Empire | |
| Reign | 1423–1425 |
| Predecessor | Othman III Kalinumuwa |
| Successor | Abdullah III Dakumuni |
| Issue | Bir IV (?) |
| Dynasty | Sayfawa dynasty |
| Father | Omar I |
Dunama IV (Dunama bin ʿUmar) was the mai of the Kanem–Bornu Empire in 1423–1425, ruling during a century-long chaotic period of internal and external conflict.