Results for the UK general election on 6 May 2010 Northern Ireland - by party
Registered political parties nominating candidates standing in the general election on 6 May 2010. This list does not include candidates standing as independents or the candidate standing as House of Commons Speaker.
| Party | Constituencies contested | Votes | Vote share | Constituencies won |
| Democratic Unionist Party | 16 | 168,216 | 25.0% | 8 |
| Sinn Féin | 17 | 171,942 | 25.5% | 5 |
| Social Democratic & Labour Party | 18 | 110,970 | 16.5% | 3 |
| Alliance | 18 | 42,762 | 6.3% | 1 |
| Traditional Unionist Voice | 10 | 26,300 | 3.9% | 0 |
| Green Party Northern Ireland | 4 | 3,542 | 0.5% | 0 |
| People Before Profit Alliance | 1 | 2,936 | 0.4% | 0 |