An election to the 57th Parliament of the United Kingdom for the constituency area of Witney, held as part of the general election on 8 June 2017.
Conservative hold by Robert Courts with a majority of 21,241 - 34.9% - on a turnout of 73.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| COURTS, Robert | Con | 33,839 | 55.5% | -4.7% |
| CARTER, Laetisia | Lab | 12,598 | 20.7% | 3.5% |
| LEFFMAN, Liz | LD | 12,457 | 20.4% | 13.7% |
| LASKO, Claire | Green | 1,053 | 1.7% | -3.4% |
| CRAIG, Alexander | UKIP | 980 | 1.6% | -7.5% |
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 82,727, having a valid vote count of 60,927 and an invalid vote count of 124.
Result declared at 03:31 on 9 June 2017.