An election to the 58th Parliament of the United Kingdom for the constituency area of Warrington South, held as part of the general election on 12 December 2019.
Conservative gain from Labour by Andy Carter with a majority of 2,010 - 3.2% - on a turnout of 72.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CARTER, Andy | Con | 28,187 | 45.5% | 1.3% |
| RASHID, Faisal | Lab | 26,177 | 42.3% | -6.1% |
| BATE, Ryan | LD | 5,732 | 9.3% | 3.9% |
| ASPINALL, Clare | BRX | 1,635 | 2.6% | - |
| HICKSON, Kevin | SDP | 168 | 0.3% | - |
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 86,015, having a valid vote count of 61,899 and an invalid vote count of 187.
Result declared at 04:19 on 13 December 2019.