An election to the 56th Parliament of the United Kingdom for the constituency area of Scunthorpe, held as part of the general election on 7 May 2015.
Labour hold by Nic Dakin with a majority of 3,134 - 8.5% - on a turnout of 57.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| DAKIN, Nic | Lab | 15,393 | 41.7% | 2.1% |
| GIDEON, Jo | Con | 12,259 | 33.2% | 0.5% |
| HOWD, Stephen | UKIP | 6,329 | 17.1% | 12.6% |
| COMERFORD, Des | Ind | 1,097 | 3.0% | - |
| DWYER, Martin | Green | 887 | 2.4% | 1.3% |
| DODD, Simon | LD | 770 | 2.1% | -16.2% |
| ELSOM, Paul | Ind | 206 | 0.6% | - |
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 64,025, having a valid vote count of 36,941 and an invalid vote count of 133.
Result declared at 04:50 on 8 May 2015.