An election to the 58th Parliament of the United Kingdom for the constituency area of Luton South, held as part of the general election on 12 December 2019.
Labour hold by Rachel Hopkins with a majority of 8,756 - 20.8% - on a turnout of 60.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HOPKINS, Rachel | Lab | 21,787 | 51.8% | -10.6% |
| AKHTAR, Parvez | Con | 13,031 | 31.0% | -1.3% |
| SHUKER, Gavin | Ind | 3,893 | 9.3% | - |
| WARREN, Garry | BRX | 1,601 | 3.8% | - |
| FOLEY, Ben | Green | 995 | 2.4% | 1.4% |
| ASHRAF, Mohammed | Ind | 489 | 1.2% | - |
| FRENCH, John | BfL | 268 | 0.6% | - |
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 69,338, having a valid vote count of 42,064 and an invalid vote count of 175.
Result declared at 02:47 on 13 December 2019.