Bir IV
| Bir IV | |
|---|---|
| Mai of the Kanem–Bornu Empire | |
| Reign | 1444–1445 |
| Predecessor | Kade III |
| Successor | Dunama V Ahmad |
| Dynasty | Sayfawa dynasty |
| Father | Dunama IV (?) |
Bir IV (Biri bin Dunama) was the mai of the Kanem–Bornu Empire in 1444–1445, ruling during a century-long chaotic period of internal and external conflict.