An election to the 58th Parliament of the United Kingdom for the constituency area of South Holland and The Deepings, held as part of the general election on 12 December 2019.
Conservative hold by John Hayes with a majority of 30,838 - 62.7% - on a turnout of 64.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HAYES, John | Con | 37,338 | 75.9% | 6.0% |
| POPPLE, Mark | Lab | 6,500 | 13.2% | -7.2% |
| KIRBY, Davina | LD | 3,225 | 6.6% | 3.7% |
| BLAKE, Martin | Green | 1,613 | 3.3% | 1.5% |
| STRINGER, Rick | Ind | 503 | 1.0% | - |
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 75,975, having a valid vote count of 49,179 and an invalid vote count of 202.
Result declared at 03:00 on 13 December 2019.