An election to the 56th Parliament of the United Kingdom for the constituency area of Holborn and St Pancras, held as part of the general election on 7 May 2015.
Labour hold by Keir Starmer with a majority of 17,048 - 31.0% - on a turnout of 63.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| STARMER, Keir | Lab | 29,062 | 52.9% | 6.8% |
| BLAIR, Will | Con | 12,014 | 21.9% | 1.5% |
| BENNETT, Natalie | Green | 7,013 | 12.8% | 10.1% |
| FRASER, Jill | LD | 3,555 | 6.5% | -21.4% |
| SPENCER, Maxine | UKIP | 2,740 | 5.0% | 3.9% |
| O'DONNELL, Shane | CSA | 252 | 0.5% | - |
| HUDSON, Vanessa | ANWP | 173 | 0.3% | - |
| O'SULLIVAN, David | SEP | 108 | 0.2% | - |
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 86,764, having a valid vote count of 54,917 and an invalid vote count of 219.
Result declared at 05:07 on 8 May 2015.