An election to the 58th Parliament of the United Kingdom for the constituency area of Montgomeryshire, held as part of the general election on 12 December 2019.
Conservative hold by Craig Williams with a majority of 12,138 - 35.5% - on a turnout of 69.8%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| WILLIAMS, Craig | Con | 20,020 | 58.5% | 6.7% |
| DEVANI, Kishan | LD | 7,882 | 23.0% | -2.2% |
| DUERDEN, Kait | Lab | 5,585 | 16.3% | 0.4% |
| EVANS, Gwyn | Gwld | 727 | 2.1% | - |
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 48,997, having a valid vote count of 34,214 and an invalid vote count of 213.
Result declared at 03:32 on 13 December 2019.