An election to the 56th Parliament of the United Kingdom for the constituency area of South Swindon, held as part of the general election on 7 May 2015.
Conservative hold by Robert Buckland with a majority of 5,785 - 11.7% - on a turnout of 66.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BUCKLAND, Robert | Con | 22,777 | 46.2% | 4.5% |
| SNELGROVE, Anne | Lab | 16,992 | 34.5% | 0.2% |
| SHORT, John | UKIP | 5,920 | 12.0% | 7.7% |
| HOOTON, Damon | LD | 1,817 | 3.7% | -13.9% |
| KIMBERLEY-FAIRBOURN, Talis | Green | 1,757 | 3.6% | 2.3% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 73,926, having a valid vote count of 49,263 and an invalid vote count of 147.
Result declared at 02:41 on 8 May 2015.