An election to the 57th Parliament of the United Kingdom for the constituency area of Wantage, held as part of the general election on 8 June 2017.
Conservative hold by Edward Vaizey with a majority of 17,380 - 27.3% - on a turnout of 74.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| VAIZEY, Edward | Con | 34,459 | 54.2% | 0.9% |
| EDEN, Rachel | Lab / Co-op | 17,079 | 26.9% | 10.8% |
| CARRIGAN, Christopher | LD | 9,234 | 14.5% | 1.5% |
| AP-ROBERTS, Sue | Green | 1,546 | 2.4% | -2.7% |
| MCLEOD, David | UKIP | 1,284 | 2.0% | -10.5% |
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 85,786, having a valid vote count of 63,602 and an invalid vote count of 156.
Result declared at 04:46 on 9 June 2017.