An election to the 57th Parliament of the United Kingdom for the constituency area of Northampton North, held as part of the general election on 8 June 2017.
Conservative hold by Michael Ellis with a majority of 807 - 2.0% - on a turnout of 68.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| ELLIS, Michael | Con | 19,065 | 47.2% | 4.8% |
| KEEBLE, Sally | Lab | 18,258 | 45.2% | 11.1% |
| BULLOCK, Jonathan | UKIP | 1,404 | 3.5% | -12.6% |
| SMID, George | LD | 1,015 | 2.5% | -1.0% |
| MILLER, Steve | Green | 636 | 1.6% | -2.2% |
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 58,861, having a valid vote count of 40,378 and an invalid vote count of 63.
Result declared at 04:31 on 9 June 2017.