| Cellach mac Cerbaill | |
|---|---|
| King of Osraige | |
| Reign | 905-908 AD |
| Predecessor | Cellach mac Cerbaill (first reign; deposed) |
| Successor | Cellach mac Cerbaill (reinstated) |
| Died | 908 AD |
| Burial | Probably Saighir |
| Issue | Cuilen mac Cellaig Donnchad mac Cellaig |
| House | Dál Birn |
| Father | Cerball mac Dúnlainge |
Cellach mac Cerbaill (some sources "Callough"; nicknamed Cellach of the Hard Conflicts) was king of Osraige from 905 to his death in 908.[1]