An election to the 57th Parliament of the United Kingdom for the constituency area of Fermanagh and South Tyrone, held as part of the general election on 8 June 2017.
Sinn Féin gain from UUP by Michelle Gildernew with a majority of 875 - 1.6% - on a turnout of 75.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| GILDERNEW, Michelle | SF | 25,230 | 47.2% | 1.8% |
| ELLIOTT, Tom | UUP | 24,355 | 45.5% | -0.9% |
| GARRITY, Mary | SDLP | 2,587 | 4.8% | -0.5% |
| CAMPBELL, Noreen | APNI | 886 | 1.7% | 0.4% |
| JONES, Tanya | Green | 423 | 0.8% | -0.8% |
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 70,601, having a valid vote count of 53,481 and an invalid vote count of 226.
Result declared at 04:09 on 9 June 2017.