An election to the 57th Parliament of the United Kingdom for the constituency area of South Cambridgeshire, held as part of the general election on 8 June 2017.
Conservative hold by Heidi Allen with a majority of 15,952 - 24.6% - on a turnout of 76.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ALLEN, Heidi | Con | 33,631 | 51.8% | 0.7% |
| GREEF, Dan | Lab | 17,679 | 27.2% | 9.6% |
| VAN DE VEN, Susan | LD | 12,102 | 18.6% | 3.4% |
| SAGGERS, Simon | Green | 1,512 | 2.3% | -3.9% |
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 85,257, having a valid vote count of 64,924 and an invalid vote count of 166.
Result declared at 02:27 on 9 June 2017.