An election to the 57th Parliament of the United Kingdom for the constituency area of Henley, held as part of the general election on 8 June 2017.
Conservative hold by John Howell with a majority of 22,294 - 39.0% - on a turnout of 76.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HOWELL, John | Con | 33,749 | 59.1% | 0.6% |
| KAVANAGH, Oliver | Lab | 11,455 | 20.1% | 7.5% |
| COYLE, Laura | LD | 8,485 | 14.9% | 3.6% |
| BENNETT, Robin | Green | 1,864 | 3.3% | -3.6% |
| SCOTT, Tim | UKIP | 1,154 | 2.0% | -8.9% |
| GRAY, Patrick | Rad | 392 | 0.7% | - |
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 74,997, having a valid vote count of 57,099 and an invalid vote count of 119.
Result declared at 04:55 on 9 June 2017.