An election to the 58th Parliament of the United Kingdom for the constituency area of Stockton South, held as part of the general election on 12 December 2019.
Conservative gain from Labour by Matt Vickers with a majority of 5,260 - 9.6% - on a turnout of 71.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| VICKERS, Matt | Con | 27,764 | 50.7% | 3.8% |
| WILLIAMS, Paul | Lab | 22,504 | 41.1% | -7.4% |
| DEVLIN, Brendan | LD | 2,338 | 4.3% | 2.5% |
| PRESCOTT, John | BRX | 2,196 | 4.0% | - |
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 76,870, having a valid vote count of 54,802 and an invalid vote count of 142.
Result declared at 02:33 on 13 December 2019.