An election to the 57th Parliament of the United Kingdom for the constituency area of Hornsey and Wood Green, held as part of the general election on 8 June 2017.
Labour hold by Catherine West with a majority of 30,738 - 49.3% - on a turnout of 77.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| WEST, Catherine | Lab | 40,738 | 65.4% | 14.5% |
| BARNES, Dawn | LD | 10,000 | 16.1% | -15.7% |
| LANE, Emma | Con | 9,246 | 14.8% | 5.6% |
| HALL, Sam | Green | 1,181 | 1.9% | -3.5% |
| ALI, Nimco | WEP | 551 | 0.9% | - |
| PRICE, Ruth | UKIP | 429 | 0.7% | -1.5% |
| SPIBY-VANN, Helen | CPA | 93 | 0.1% | -0.1% |
| ATHOW, Anna | WRP | 55 | 0.1% | -0.1% |
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 79,946, having a valid vote count of 62,293 and an invalid vote count of 158.
Result declared at 03:36 on 9 June 2017.