An election to the 57th Parliament of the United Kingdom for the constituency area of South West Wiltshire, held as part of the general election on 8 June 2017.
Conservative hold by Andrew Murrison with a majority of 18,326 - 33.5% - on a turnout of 71.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MURRISON, Andrew | Con | 32,841 | 60.0% | 7.3% |
| PICTOR, Laura | Lab | 14,515 | 26.5% | 13.1% |
| CARBIN, Trevor | LD | 5,360 | 9.8% | -0.8% |
| WALFORD, Christopher | Green | 1,445 | 2.6% | -3.1% |
| SILCOCKS, Liam | Ind | 590 | 1.1% | - |
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 76,898, having a valid vote count of 54,751 and an invalid vote count of 146.
Result declared at 03:23 on 9 June 2017.