An election to the 57th Parliament of the United Kingdom for the constituency area of Rochford and Southend East, held as part of the general election on 8 June 2017.
Conservative hold by James Duddridge with a majority of 5,548 - 11.7% - on a turnout of 64.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| DUDDRIDGE, James | Con | 23,013 | 48.7% | 2.3% |
| DALTON, Ashley | Lab | 17,465 | 37.0% | 12.3% |
| WOODLEY, Ron | Ind | 2,924 | 6.2% | - |
| HOOKWAY, Neil | UKIP | 1,777 | 3.8% | -16.8% |
| GWIZDALA, Peter | LD | 1,265 | 2.7% | -0.7% |
| CROSS, Simon | Green | 804 | 1.7% | -3.3% |
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 73,501, having a valid vote count of 47,248 and an invalid vote count of 75.
Result declared at 02:23 on 9 June 2017.