An election to the 57th Parliament of the United Kingdom for the constituency area of Foyle, held as part of the general election on 8 June 2017.
Sinn Féin gain from SDLP by Elisha McCallion with a majority of 169 - 0.4% - on a turnout of 65.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MCCALLION, Elisha | SF | 18,256 | 39.7% | 8.2% |
| DURKAN, Mark | SDLP | 18,087 | 39.3% | -8.6% |
| MIDDLETON, Gary | DUP | 7,398 | 16.1% | 3.7% |
| HARKIN, Shaun | PBPA | 1,377 | 3.0% | - |
| DOHERTY, John | APNI | 847 | 1.8% | -0.4% |
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 70,324, having a valid vote count of 45,965 and an invalid vote count of 177.
Result declared at 02:45 on 9 June 2017.