Niall Caille (died 846), King of Ailech and High King of Ireland
Niall Quinn | Niall Ferguson | Niall Ó Dónaill | Niall Griffiths | Niall Glúndub | Niall Wright | Niall Lepper | Niall Campbell, 10th Duke of Argyll | Niall O'Dowd | Niall mac Fergal Óge Ó hUicinn | Niall mac Cailein | Niall Lucy | Niall Gunn | Niall Garve O'Donnell | Niall FitzGerald | Niall Caille | Niall Brigant | Brenda Niall | Alain Caillé |