An election to the 57th Parliament of the United Kingdom for the constituency area of North East Hertfordshire, held as part of the general election on 8 June 2017.
Conservative hold by Oliver Heald with a majority of 16,835 - 30.3% - on a turnout of 73.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HEALD, Oliver | Con | 32,587 | 58.6% | 3.3% |
| SWANNEY, Doug | Lab | 15,752 | 28.3% | 9.5% |
| SHEPARD, Nicky | LD | 4,276 | 7.7% | 0.1% |
| LEE, Tim | Green | 2,965 | 5.3% | 0.0% |
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 75,965, having a valid vote count of 55,580 and an invalid vote count of 168.
Result declared at 02:16 on 9 June 2017.