An election to the 58th Parliament of the United Kingdom for the constituency area of Sleaford and North Hykeham, held as part of the general election on 12 December 2019.
Conservative hold by Caroline Johnson with a majority of 32,565 - 48.9% - on a turnout of 70.2%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| JOHNSON, Caroline | Con | 44,683 | 67.1% | 2.9% |
| EDWARDS-SHEA, Linda | Lab | 12,118 | 18.2% | -7.6% |
| CRAVEN, Oliver | LD | 5,355 | 8.0% | 3.9% |
| OVERTON, Marianne | LNIN | 1,999 | 3.0% | - |
| TOOKE, Simon | Green | 1,742 | 2.6% | 1.1% |
| CORAM, Caroline | Ind | 657 | 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 94,761, having a valid vote count of 66,554 and an invalid vote count of 236.
Result declared at 04:02 on 13 December 2019.