An election to the 56th Parliament of the United Kingdom for the constituency area of Buckingham, held as part of the general election on 7 May 2015.
Speaker hold by John Bercow with a majority of 22,942 - 42.7% - on a turnout of 69.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BERCOW, John | Spk | 34,617 | 64.5% | 17.2% |
| FOWLER, Dave | UKIP | 11,675 | 21.7% | 4.4% |
| FRANCIS, Alan | Green | 7,400 | 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 77,425, having a valid vote count of 53,692 and an invalid vote count of 1,289.
Result declared at 06:19 on 8 May 2015.