An election to the 57th Parliament of the United Kingdom for the constituency area of Banbury, held as part of the general election on 8 June 2017.
Conservative hold by Victoria Prentis with a majority of 12,399 - 20.1% - on a turnout of 73.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| PRENTIS, Victoria | Con | 33,388 | 54.2% | 1.2% |
| WOODCOCK, Sean | Lab | 20,989 | 34.1% | 12.8% |
| HOWSON, John | LD | 3,452 | 5.6% | -0.3% |
| BIRD, Dickie | UKIP | 1,581 | 2.6% | -11.3% |
| MIDDLETON, Ian | Green | 1,225 | 2.0% | -2.6% |
| EDWARDS, Roseanne | Ind | 927 | 1.5% | - |
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 83,824, having a valid vote count of 61,562 and an invalid vote count of 115.
Result declared at 04:13 on 9 June 2017.