An election to the 56th Parliament of the United Kingdom for the constituency area of Dulwich and West Norwood, held as part of the general election on 7 May 2015.
Labour hold by Helen Hayes with a majority of 16,122 - 31.4% - on a turnout of 67.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HAYES, Helen | Lab | 27,772 | 54.1% | 7.5% |
| KOTECHA, Resham | Con | 11,650 | 22.7% | 0.5% |
| BARBER, James | LD | 5,055 | 9.8% | -17.3% |
| NIX, Rashid | Green | 4,844 | 9.4% | 6.8% |
| ALAGARATNAM, Rathy | UKIP | 1,606 | 3.1% | 1.7% |
| NALLY, Steve | TUSC | 248 | 0.5% | - |
| LAMBERT, Robin | Ind | 125 | 0.2% | - |
| KANUMANSA, Amadu | APPL | 62 | 0.1% | - |
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 76,575, having a valid vote count of 51,362 and an invalid vote count of 186.
Result declared at 03:33 on 8 May 2015.