An election to the 57th Parliament of the United Kingdom for the constituency area of Holborn and St Pancras, held as part of the general election on 8 June 2017.
Labour hold by Keir Starmer with a majority of 30,509 - 51.7% - on a turnout of 67.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| STARMER, Keir | Lab | 41,343 | 70.1% | 17.2% |
| BARNES, Tim | Con | 10,834 | 18.4% | -3.5% |
| CROSHER, Stephen | LD | 4,020 | 6.8% | 0.3% |
| BERRY, Sian | Green | 1,980 | 3.4% | -9.4% |
| GAME, Giles | UKIP | 727 | 1.2% | -3.8% |
| POLENCEUS, Janus | ED | 93 | 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 88,088, having a valid vote count of 58,997 and an invalid vote count of 178.
Result declared at 04:21 on 9 June 2017.