An election to the 57th Parliament of the United Kingdom for the constituency area of Swansea East, held as part of the general election on 8 June 2017.
Labour hold by Carolyn Harris with a majority of 13,168 - 37.5% - on a turnout of 60.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HARRIS, Carolyn | Lab | 22,307 | 63.4% | 10.5% |
| BOUCHER, Dan | Con | 9,139 | 26.0% | 10.7% |
| PHILLIPS, Steffan | PC | 1,689 | 4.8% | -5.6% |
| JOHNSON, Clifford | UKIP | 1,040 | 3.0% | -14.2% |
| HASTED, Charley | LD | 625 | 1.8% | -2.4% |
| EVANS, Chris | Green | 359 | 1.0% | - |
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 58,521, having a valid vote count of 35,159 and an invalid vote count of 56.
Result declared at 03:02 on 9 June 2017.