Donegal North-East was a parliamentary constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas, from 1961 to 1977 and from 1981 to 2016.

The method of election was proportional representation by means of the single transferable vote (PR-STV).

It lasted until 1977, when it was abolished and became part of a new Donegal constituency, and was then recreated for the 1981 general election.

It encompassed the Letterkenny, Milford and Inishowen electoral areas of Donegal County Council.

The Electoral (Amendment) Act 2009 defined the constituency as:[1] Ardmalin, Ballyliffin, Birdstown, Buncrana Rural, Burt, Carndonagh, Carthage, Castlecary, Castleforward, Culdaff, Desertegny, Dunaff, Fahan, Glenagannon, Gleneely, Glentogher, Greencastle, Illies, Inch Island, Kilderry, Killea, Malin, Mintiaghs, Moville, Newtown Cunningham, Redcastle, Straid, Three Trees, Turmone, Whitecastle, in the former Rural District of Inishowen; Ballymacool, Castlewray, Corravaddy, Edenacarnan, Gartán, Gortnavern, Killymasny, Kincraigy, Letterkenny Rural, Magheraboy, Manorcunningham, Mín an Lábáin, Suí Corr, Templedouglas, in the former Rural District of Letterkenny; An Cheathrú Chaol, An Tearmann, Ballyarr, Carraig Airt, Cnoc Colbha, Creamhghort, Fánaid Thiar, Fánaid Thuaidh, Glen, Glenalla, Grianfort, Killygarvan, Kilmacrenan, Loch Caol, Millford, Rathmelton, Rathmullan, Ros Goill, Rosnakill, in the former Rural District of Millford; Note: The columns in this table are used only for presentational purposes, and no significance should be attached to the order of columns.