| Year: | 2010 |
|---|---|
| General election: | 2010 General Election |
| Constituency: | Lagan Valley |
| Turnout: | 55.1% |
Results
| Candidate | Party | Votes |
| Donaldson, Jeffrey | DUP | 18199 |
| Trimble, Daphne | Ulster Conservatives and Unionists | 7713 |
| Lunn, Trevor | Alliance | 4174 |
| Harbinson, Keith | TUV | 3154 |
| Heading, Brian | SDLP | 1835 |
| Butler, Paul | Sinn Féin | 1465 |