An election to the 56th Parliament of the United Kingdom for the constituency area of Aberavon, held as part of the general election on 7 May 2015.
Labour hold by Stephen Kinnock with a majority of 10,445 - 33.1% - on a turnout of 63.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| KINNOCK, Stephen | Lab | 15,416 | 48.9% | -3.0% |
| BUSH, Peter | UKIP | 4,971 | 15.8% | 14.2% |
| YI HE, Edward | Con | 3,742 | 11.9% | -2.4% |
| HIGGITT, Duncan | PC | 3,663 | 11.6% | 4.5% |
| CLARKE, Helen | LD | 1,397 | 4.4% | -11.8% |
| BEANY, Captain | Ind | 1,137 | 3.6% | - |
| TIER, Jonathan | Green | 711 | 2.3% | - |
| JORDAN, Andrew | SL | 352 | 1.1% | - |
| HERBERT, Owen | TUSC | 134 | 0.4% | - |
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 49,821, having a valid vote count of 31,523 and an invalid vote count of 57.
Result declared at 03:19 on 8 May 2015.