An election to the 56th Parliament of the United Kingdom for the constituency area of Selby and Ainsty, held as part of the general election on 7 May 2015.
Conservative hold by Nigel Adams with a majority of 13,557 - 25.7% - on a turnout of 69.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ADAMS, Nigel | Con | 27,725 | 52.5% | 3.1% |
| HAYES, Mark | Lab | 14,168 | 26.8% | 1.1% |
| HEATH, Colin | UKIP | 7,389 | 14.0% | 10.8% |
| TURNER, Nicola | LD | 1,920 | 3.6% | -14.1% |
| RICHARDS, Ian | Green | 1,465 | 2.8% | - |
| WILSON, Ian | TUSC | 137 | 0.3% | - |
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 76,082, having a valid vote count of 52,804 and an invalid vote count of 172.
Result declared at 06:06 on 8 May 2015.