An election to the 58th Parliament of the United Kingdom for the constituency area of Brecon and Radnorshire, held as part of the general election on 12 December 2019.
Conservative hold by Fay Jones with a majority of 7,131 - 17.3% - on a turnout of 74.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| JONES, Fay | Con | 21,958 | 53.1% | 4.6% |
| DODDS, Jane | LD | 14,827 | 35.9% | 6.7% |
| DAVIES, Tom | Lab | 3,944 | 9.5% | -8.2% |
| THE PINK, Lady Lily | MRLP | 345 | 0.8% | - |
| GREEN, Jeff | CHP | 245 | 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 55,490, having a valid vote count of 41,319 and an invalid vote count of 110.
Result declared at 03:40 on 13 December 2019.