An election to the 58th Parliament of the United Kingdom for the constituency area of Islington South and Finsbury, held as part of the general election on 12 December 2019.
Labour hold by Emily Thornberry with a majority of 17,328 - 36.2% - on a turnout of 67.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| THORNBERRY, Emily | Lab | 26,897 | 56.3% | -6.6% |
| POTHALINGHAM, Kate | LD | 9,569 | 20.0% | 7.9% |
| CHARALAMBOUS, Jason | Con | 8,045 | 16.8% | -3.8% |
| HUSSAIN, Talia | Green | 1,987 | 4.2% | 1.7% |
| HANNAM, Paddy | BRX | 1,136 | 2.4% | - |
| SANDYS, Sebastian | MRLP | 182 | 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 70,489, having a valid vote count of 47,816 and an invalid vote count of 171.
Result declared at 03:05 on 13 December 2019.