An election to the 58th Parliament of the United Kingdom for the constituency area of Brighton, Pavilion, held as part of the general election on 12 December 2019.
Green hold by Caroline Lucas with a majority of 19,940 - 34.4% - on a turnout of 73.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| LUCAS, Caroline | Green | 33,151 | 57.2% | 4.9% |
| IMANPOUR, Adam | Lab | 13,211 | 22.8% | -4.0% |
| HOGAN, Emma | Con | 10,176 | 17.5% | -1.7% |
| MILTON, Richard | BRX | 770 | 1.3% | - |
| SKWITH, Citizen | MRLP | 301 | 0.5% | - |
| DODDS, Bob | Ind | 212 | 0.4% | - |
| FURNESS, Nigel | UKIP | 177 | 0.3% | -0.8% |
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 79,057, having a valid vote count of 57,998 and an invalid vote count of 158.
Result declared at 04:21 on 13 December 2019.