An election to the 58th Parliament of the United Kingdom for the constituency area of Blackpool South, held as part of the general election on 12 December 2019.
Conservative gain from Labour by Scott Benton with a majority of 3,690 - 11.3% - on a turnout of 56.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BENTON, Scott | Con | 16,247 | 49.6% | 6.5% |
| MARSDEN, Gordon | Lab | 12,557 | 38.3% | -12.0% |
| BROWN, David | BRX | 2,009 | 6.1% | - |
| GREENE, Bill | LD | 1,008 | 3.1% | 1.3% |
| DANIELS, Rebecca | Green | 563 | 1.7% | 0.7% |
| COLEMAN, Gary | Ind | 368 | 1.1% | - |
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 57,690, having a valid vote count of 32,752 and an invalid vote count of 86.
Result declared at 02:33 on 13 December 2019.