An election to the 57th Parliament of the United Kingdom for the constituency area of Southend West, held as part of the general election on 8 June 2017.
Conservative hold by David Amess with a majority of 10,000 - 21.2% - on a turnout of 69.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| AMESS, David | Con | 26,046 | 55.2% | 5.4% |
| WARE-LANE, Julian | Lab | 16,046 | 34.0% | 15.7% |
| SALEK, Lucy | LD | 2,110 | 4.5% | -4.8% |
| STANSFIELD, John | UKIP | 1,666 | 3.5% | -14.0% |
| ELLIS, Dominic | Green | 831 | 1.8% | -2.9% |
| CALLAGHAN, Tino | SIA | 305 | 0.6% | - |
| PILLEY, Jason | Ind | 187 | 0.4% | - |
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 67,677, having a valid vote count of 47,191 and an invalid vote count of 101.
Result declared at 02:28 on 9 June 2017.