Niall MacNeill (1899 –1969) was an Irish army officer and entomologist who specialised in Odonata and Heteroptera.
James Abbott McNeill Whistler | Niall Quinn | Niall Ferguson | William Hardy McNeill | Niall Ó Dónaill | Niall Griffiths | Niall Glúndub | Billy McNeill | Ronald McNeill, 1st Baron Cushendun | Port McNeill | Niall Wright | Niall Lepper | Niall Campbell, 10th Duke of Argyll | Jim McNeill | Dan K. McNeill | Brian McNeill | William Simpson McNeill | William Henry McNeill | Sir John McNeill | 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 | McNeill's Rangers | McNeill |