| Election Name: | 2019 Southend-on-Sea Borough Council |
| Country: | Essex |
| Type: | parliamentary |
| Previous Election: | 2018 Southend-on-Sea Borough Council election |
| Previous Year: | 2018 |
| Next Election: | 2021 Southend-on-Sea Borough Council election |
| Next Year: | 2021 |
| Seats For Election: | 17 out of 51 seats to Southend-on-Sea Borough Council |
| Majority Seats: | 26 |
| Turnout: | 31.7% |
| Image1: | File:James Courtenay (2014) (cropped).jpg |
| Leader1: | James Courtenay |
| Party1: | Conservative Party (UK) |
| Leader Since1: | 8 March 2019[1] |
| Last Election1: | 29 seats, 37.0% |
| Leaders Seat1: | Blenheim Park (defeated) |
| Seats Before1: | 28 |
| Seats1: | 4 |
| Seats After1: | 20 |
| Seat Change1: | 8 |
| Popular Vote1: | 11,265 |
| Percentage1: | 27.0% |
| Swing1: | 10.0% |
| Leader2: | Ian Gilbert |
| Party2: | Labour Party (UK) |
| Leader Since2: | Oct/Nov 2010 |
| Leaders Seat2: | Victoria |
| Last Election2: | 11 seats, 27.0% |
| Seats Before2: | 11 |
| Seats2: | 5 |
| Seats After2: | 14 |
| Seat Change2: | 3 |
| Popular Vote2: | 8,962 |
| Percentage2: | 20.8% |
| Swing2: | 6.2% |
| Image3: | Ind |
| Leader3: | n/a |
| Party3: | Independent politician |
| Leader Since3: | n/a |
| Leaders Seat3: | n/a |
| Last Election3: | 9 seats, 19.5% |
| Seats Before3: | 10 |
| Seats3: | 5 |
| Seats After3: | 12 |
| Seat Change3: | 2 |
| Popular Vote3: | 10,097 |
| Percentage3: | 24.2% |
| Swing3: | 4.7% |
| Image4: | File:Carole Mulroney (cropped).jpg |
| Leader4: | Carole Mulroney |
| Party4: | Liberal Democrats (UK) |
| Leader Since4: | May 2017 |
| Leaders Seat4: | Leigh |
| Last Election4: | 2 seats, 12.7% |
| Seats Before4: | 2 |
| Seats4: | 3 |
| Seats After4: | 5 |
| Seat Change4: | 3 |
| Popular Vote4: | 5,848 |
| Percentage4: | 14.1% |
| Swing4: | 1.4% |
| Image5: | Green |
| Leader5: | n/a |
| Party5: | Green Party of England and Wales |
| Leader Since5: | n/a |
| Leaders Seat5: | n/a |
| Last Election5: | 0 seats, 2.8% |
| Seats Before5: | 0 |
| Seats5: | 0 |
| Seats After5: | 0 |
| Popular Vote5: | 3,126 |
| Percentage5: | 7.5% |
| Swing5: | 4.7% |
| Map2 Image: | File:Southend Borough Council 2019.svg |
| Leader | |
| Posttitle: | Leader after election |
| Before Election: | John Lamb |
| Before Party: | Conservative Party (UK) |
| After Election: | Tony Cox Conservative |
| After Party: | No overall control |
Elections to Southend-on-Sea Borough Council took place on 2 May 2019. This was on the same day as other local elections across the United Kingdom.[2]
The election led to the majority Conservative administration being replaced by a "rainbow coalition" between the Independents, Labour and the Liberal Democrats, which was voted in by a vote of 27-20.[3]
Directly after the 2018 election the composition of the council was:
| 11 | 2 | 9 | 29 | |
| Labour | Lib Dem | Ind | Conservative |
Prior to the election the composition of the council was:
| 11 | 2 | 10 | 28 | |
| Labour | Lib Dem | Ind | Conservative |
After the election, the composition of the council was:
| 14 | 5 | 12 | 20 | |
| Labour | Lib Dem | Ind | Conservative |
No UKIP candidate as previous (−4.1).
Results compared to the 21 March 2019 Milton by-election.
Green party compared to 2018 election, no For Britain candidate (−5.3) as previous.
Green candidate compared to 2016 election
Swing and majority compared to independent victory in 2018
UKIP candidate compared to 2016 election.
UKIP and Green candidate compared to 2016 election.
No Psychedelic Future (−1.8) candidate as previous
Green party compared to 2016 election.
UKIP and liberal democrat candidates compared to 2016 election.
Green party candidate compared to 2016 election.
Green candidate compared to 2016 election.