An election to the 58th Parliament of the United Kingdom for the constituency area of Wantage, held as part of the general election on 12 December 2019.
Conservative hold by David Johnston with a majority of 12,653 - 18.8% - on a turnout of 73.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| JOHNSTON, David | Con | 34,085 | 50.7% | -3.4% |
| BENWELL, Richard | LD | 21,432 | 31.9% | 17.4% |
| ROBERTS, Jonny | Lab | 10,181 | 15.2% | -11.7% |
| GRAY, Mark | Ind | 1,475 | 2.2% | - |
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 90,867, having a valid vote count of 67,173 and an invalid vote count of 306.
Result declared at 05:08 on 13 December 2019.