An election to the 57th Parliament of the United Kingdom for the constituency area of Stevenage, held as part of the general election on 8 June 2017.
Conservative hold by Stephen McPartland with a majority of 3,386 - 6.9% - on a turnout of 69.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MCPARTLAND, Stephen | Con | 24,798 | 50.3% | 5.7% |
| TAYLOR, Sharon | Lab / Co-op | 21,412 | 43.4% | 9.2% |
| GIBSON, Barbara | LD | 2,032 | 4.1% | 0.8% |
| SNELLING, Victoria | Green | 1,085 | 2.2% | -0.7% |
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 70,765, having a valid vote count of 49,327 and an invalid vote count of 141.
Result declared at 02:43 on 9 June 2017.