An election to the 58th Parliament of the United Kingdom for the constituency area of Southend West, held as part of the general election on 12 December 2019.
Conservative hold by David Amess with a majority of 14,459 - 31.1% - on a turnout of 67.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| AMESS, David | Con | 27,555 | 59.2% | 4.0% |
| LINE, Aston | Lab | 13,096 | 28.1% | -5.9% |
| STIMSON, Nina | LD | 5,312 | 11.4% | 6.9% |
| DARWOOD, Thomas | Ind | 574 | 1.2% | - |
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 69,043, having a valid vote count of 46,537 and an invalid vote count of 260.
Result declared at 02:11 on 13 December 2019.