An election to the 57th Parliament of the United Kingdom for the constituency area of South Antrim, held as part of the general election on 8 June 2017.
DUP gain from UUP by Paul Girvan with a majority of 3,208 - 7.4% - on a turnout of 63.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| GIRVAN, Paul | DUP | 16,508 | 38.2% | 8.1% |
| KINAHAN, Danny | UUP | 13,300 | 30.8% | -1.9% |
| KEARNEY, Declan | SF | 7,797 | 18.1% | 5.2% |
| KELLY, Neil | APNI | 3,203 | 7.4% | -2.4% |
| LYNCH, Roisin | SDLP | 2,362 | 5.5% | -2.7% |
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 68,244, having a valid vote count of 43,170 and an invalid vote count of 122.
Result declared at 02:26 on 9 June 2017.