| Election Name: | 1996 Donegal North-East by-election |
| Country: | Ireland |
| Type: | by-election |
| Ongoing: | no |
| Previous Year: | 1992 general election |
| Election Date: | 2 April 1996 |
| Next Year: | 1997 general election |
| Turnout: | (60.7%) |
| 2Blank: | Percentage |
| 3Blank: | Final count |
| Nominee1: | Cecilia Keaveney |
| Party1: | Fianna Fáil |
| 1Data1: | 9,872 |
| 2Data1: | 32.2% |
| 3Data1: | 14,115 |
| Nominee2: | Harry Blaney |
| Party2: | Independent Fianna Fáil |
| 1Data2: | 8,943 |
| 2Data2: | 29.2% |
| 3Data2: | 13,077 |
| Nominee3: | Jim Sheridan |
| Party3: | Fine Gael |
| 1Data3: | 5,679 |
| 2Data3: | 18.5% |
| 3Data3: | – |
| Nominee4: | Seán Maloney |
| Party4: | Labour Party (Ireland) |
| 1Data4: | 3,791 |
| 2Data4: | 12.4% |
| 3Data4: | – |
| Nominee5: | Pat Doherty |
| Party5: | Sinn Féin |
| 1Data5: | 2,340 |
| 2Data5: | 7.6% |
| 3Data5: | – |
| TD | |
| Before Election: | Neil Blaney |
| Before Party: | Independent Fianna Fáil |
| After Election: | Cecilia Keaveney |
| After Party: | Fianna Fáil |
A by-election was held in the Dáil Éireann Donegal North-East constituency in Ireland on 2 April 1996. It followed the death of Independent Fianna Fáil Teachta Dála (TD) and former Minister Neil Blaney on 8 November 1995.
The election was won by Donegal County Councillor Cecilia Keaveney of Fianna Fáil.
Among the candidates were Donegal County Councillor, brother of Neil Blaney, and future TD Harry Blaney, Senator and Donegal County Councillor Seán Maloney and Vice President of Sinn Féin and future Member of Parliament for West Tyrone Pat Doherty
On the same day, a by-election took place in Dublin West.