An election to the 58th Parliament of the United Kingdom for the constituency area of Don Valley, held as part of the general election on 12 December 2019.
Conservative gain from Labour by Nick Fletcher with a majority of 3,630 - 8.0% - on a turnout of 60.3%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| FLETCHER, Nick | Con | 19,609 | 43.2% | 1.4% |
| FLINT, Caroline | Lab | 15,979 | 35.2% | -17.8% |
| WHITEHURST, Paul | BRX | 6,247 | 13.7% | - |
| ALCOCK, Mark | LD | 1,907 | 4.2% | 2.3% |
| NEEDHAM, Kate | Green | 872 | 1.9% | - |
| HOLMES, Chris | Yrks | 823 | 1.8% | -1.7% |
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 75,356, having a valid vote count of 45,437 and an invalid vote count of 82.
Result declared at 03:31 on 13 December 2019.