An election to the 56th Parliament of the United Kingdom for the constituency area of Sheffield South East, held as part of the general election on 7 May 2015.
Labour hold by Clive Betts with a majority of 12,311 - 29.5% - on a turnout of 59.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BETTS, Clive | Lab | 21,439 | 51.4% | 2.7% |
| WINSTONE, Steve | UKIP | 9,128 | 21.9% | 17.3% |
| SLEAT, Matt | Con | 7,242 | 17.4% | -0.0% |
| SMITH, Gail | LD | 2,226 | 5.3% | -18.0% |
| DUCKENFIELD, Linda | Green | 1,117 | 2.7% | - |
| BATTERSBY, Jen | CSA | 207 | 0.5% | - |
| WHITEHOUSE, Ian | TUSC | 185 | 0.4% | - |
| ROBERTS, Matthew | ED | 141 | 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 70,422, having a valid vote count of 41,685 and an invalid vote count of 108.
Result declared at 05:21 on 8 May 2015.