An election to the 56th Parliament of the United Kingdom for the constituency area of East Lothian, held as part of the general election on 7 May 2015.
SNP gain from Labour by George Kerevan with a majority of 6,803 - 11.5% - on a turnout of 74.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| KEREVAN, George | SNP | 25,104 | 42.5% | 26.5% |
| O'DONNELL, Fiona | Lab | 18,301 | 31.0% | -13.6% |
| ROACH, David | Con | 11,511 | 19.5% | -0.1% |
| SPENCER, Ettie | LD | 1,517 | 2.6% | -14.3% |
| ROSE, Jason | Green | 1,245 | 2.1% | 0.4% |
| MARSHALL, Oluf | UKIP | 1,178 | 2.0% | 0.9% |
| ALLAN, Mike | Ind | 158 | 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 79,481, having a valid vote count of 59,014 and an invalid vote count of 36.
Result declared at 04:05 on 8 May 2015.