An election to the 56th Parliament of the United Kingdom for the constituency area of Workington, held as part of the general election on 7 May 2015.
Labour hold by Sue Hayman with a majority of 4,686 - 12.2% - on a turnout of 65.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HAYMAN, Sue | Lab | 16,282 | 42.3% | -3.2% |
| KANA, Rozila | Con | 11,596 | 30.1% | -3.7% |
| JENKINSON, Mark | UKIP | 7,538 | 19.6% | 17.4% |
| ROBERTS, Phill | LD | 1,708 | 4.4% | -9.1% |
| PERRY, Jill | Green | 1,149 | 3.0% | - |
| IVINSON, Roy | Ind | 190 | 0.5% | - |
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 58,615, having a valid vote count of 38,463 and an invalid vote count of 232.
Result declared at 05:15 on 8 May 2015.