An election to the 58th Parliament of the United Kingdom for the constituency area of South Thanet, held as part of the general election on 12 December 2019.
Conservative hold by Craig Mackinlay with a majority of 10,587 - 21.9% - on a turnout of 65.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MACKINLAY, Craig | Con | 27,084 | 56.1% | 5.3% |
| GORDON-NESBITT, Rebecca | Lab | 16,497 | 34.2% | -3.8% |
| PENNINGTON, Martyn | LD | 2,727 | 5.7% | 2.6% |
| WING, Becky | Green | 1,949 | 4.0% | 2.4% |
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 73,223, having a valid vote count of 48,257 and an invalid vote count of 211.
Result declared at 04:43 on 13 December 2019.