An election to the 56th Parliament of the United Kingdom for the constituency area of Belfast East, held as part of the general election on 7 May 2015.
DUP gain from Alliance by Gavin Robinson with a majority of 2,597 - 6.5% - on a turnout of 62.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ROBINSON, Gavin | DUP | 19,575 | 49.3% | 16.5% |
| LONG, Naomi | APNI | 16,978 | 42.8% | 5.6% |
| WILSON, Neil | Con | 1,121 | 2.8% | - |
| BROWN, Ross | Green | 1,058 | 2.7% | - |
| Ó DONNGHAILE, Niall | SF | 823 | 2.1% | -0.3% |
| MULDOON, Mary | SDLP | 127 | 0.3% | -0.7% |
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 63,157, having a valid vote count of 39,682 and an invalid vote count of 178.
Result declared at 02:47 on 8 May 2015.