An election to the 57th Parliament of the United Kingdom for the constituency area of Buckingham, held as part of the general election on 8 June 2017.
Speaker hold by John Bercow with a majority of 25,725 - 48.8% - on a turnout of 66.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BERCOW, John | Spk | 34,299 | 65.1% | 0.6% |
| SHEPPARD, Michael | Green | 8,574 | 16.3% | 2.5% |
| RAVEN, Scott | Ind | 5,638 | 10.7% | - |
| MAPLETOFT, Brian | UKIP | 4,168 | 7.9% | -13.8% |
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 79,615, having a valid vote count of 52,679 and an invalid vote count of 1,967.
Result declared at 04:52 on 9 June 2017.