Donnchad mac Gilla Pátraic

Donnchad mac Gilla Pátraic
King of Ossory, King of Leinster
Predecessor	Cellach mac Diarmata
Successor	Gilla Patráic mac Donnchada
Died	1039
Dynasty	Dál Birn

Donnchad mac Gilla Pátraic (died 1039), was King of Osraige and King of Leinster. A daughter of Gilla Pátraic was Aífe, mother of Diarmait mac Máel na mBó, King of Leinster (died 1072).