An election to the 57th Parliament of the United Kingdom for the constituency area of South Suffolk, held as part of the general election on 8 June 2017.
Conservative hold by James Cartlidge with a majority of 17,749 - 32.7% - on a turnout of 71.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CARTLIDGE, James | Con | 32,829 | 60.5% | 7.5% |
| BISHTON, Emma | Lab | 15,080 | 27.8% | 8.5% |
| AALDERS-DUNTHORPE, Andrew | LD | 3,154 | 5.8% | -2.0% |
| LINDSAY, Robert | Green | 1,723 | 3.2% | -1.2% |
| POWLESLAND, Aidan | UKIP | 1,449 | 2.7% | -12.5% |
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 75,485, having a valid vote count of 54,235 and an invalid vote count of 116.
Result declared at 03:43 on 9 June 2017.