An election to the 58th Parliament of the United Kingdom for the constituency area of Preseli Pembrokeshire, held as part of the general election on 12 December 2019.
Conservative hold by Stephen Crabb with a majority of 5,062 - 11.9% - on a turnout of 71.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CRABB, Stephen | Con | 21,381 | 50.4% | 7.0% |
| THOMPSON, Philippa | Lab | 16,319 | 38.5% | -4.2% |
| TOMOS, Cris | PC | 2,776 | 6.5% | 0.1% |
| HUGHES, Thomas | LD | 1,943 | 4.6% | 2.0% |
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 59,606, having a valid vote count of 42,419 and an invalid vote count of 153.
Result declared at 03:59 on 13 December 2019.