An election to the 58th Parliament of the United Kingdom for the constituency area of Thornbury and Yate, held as part of the general election on 12 December 2019.
Conservative hold by Luke Hall with a majority of 12,369 - 23.7% - on a turnout of 75.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HALL, Luke | Con | 30,202 | 57.8% | 2.6% |
| YOUNG, Claire | LD | 17,833 | 34.1% | 2.7% |
| LOGAN, Rob | Lab | 4,208 | 8.1% | -4.0% |
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 69,492, having a valid vote count of 52,243 and an invalid vote count of 254.
Result declared at 04:16 on 13 December 2019.