An election to the 56th Parliament of the United Kingdom for the constituency area of Barking, held as part of the general election on 7 May 2015.
Labour hold by Margaret Hodge with a majority of 15,272 - 35.5% - on a turnout of 58.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HODGE, Margaret | Lab | 24,826 | 57.7% | 3.4% |
| GRAVETT, Roger | UKIP | 9,554 | 22.2% | 19.3% |
| RAHMAN, Mina | Con | 7,019 | 16.3% | -1.5% |
| RABLEN, Tony | Green | 897 | 2.1% | 1.4% |
| WILCOCK, Peter | LD | 562 | 1.3% | -6.9% |
| MAMBULIYA, Joseph | TUSC | 183 | 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 73,977, having a valid vote count of 43,041 and an invalid vote count of 111.
Result declared at 04:38 on 8 May 2015.