An election to the 56th Parliament of the United Kingdom for the constituency area of Chorley, held as part of the general election on 7 May 2015.
Labour hold by Lindsay Hoyle with a majority of 4,530 - 8.8% - on a turnout of 69.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HOYLE, Lindsay | Lab | 23,322 | 45.1% | 1.9% |
| LOUGHENBURY, Rob | Con | 18,792 | 36.3% | -1.7% |
| SMITH, Mark | UKIP | 6,995 | 13.5% | 9.5% |
| FENN, Stephen | LD | 1,354 | 2.6% | -11.4% |
| STRAW, Alistair | Green | 1,111 | 2.1% | - |
| MAUDSLEY, Adrian | Ind | 138 | 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 74,679, having a valid vote count of 51,712 and an invalid vote count of 142.
Result declared at 05:20 on 8 May 2015.