An election to the 58th Parliament of the United Kingdom for the constituency area of Derby South, held as part of the general election on 12 December 2019.
Labour hold by Margaret Beckett with a majority of 6,019 - 14.2% - on a turnout of 58.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BECKETT, Margaret | Lab | 21,690 | 51.1% | -7.3% |
| BARKER, Ed | Con | 15,671 | 36.9% | 3.4% |
| NAITTA, Joe | LD | 2,621 | 6.2% | 3.5% |
| PROSSER, Timothy | BRX | 2,480 | 5.8% | - |
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 73,062, having a valid vote count of 42,462 and an invalid vote count of 137.
Result declared at 04:25 on 13 December 2019.