An election to the 57th Parliament of the United Kingdom for the constituency area of South Holland and The Deepings, held as part of the general election on 8 June 2017.
Conservative hold by John Hayes with a majority of 24,897 - 49.5% - on a turnout of 65.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| HAYES, John | Con | 35,179 | 69.9% | 10.4% |
| KOWALEWSKI, Voyteck | Lab | 10,282 | 20.4% | 8.0% |
| SMITH, Nicola | UKIP | 2,185 | 4.3% | -17.5% |
| CAMBRIDGE, Julia | LD | 1,433 | 2.8% | -0.1% |
| WILSHIRE, Daniel | Green | 894 | 1.8% | -1.4% |
| STRINGER, Rick | Ind | 342 | 0.7% | - |
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 76,374, having a valid vote count of 50,315 and an invalid vote count of 84.
Result declared at 02:50 on 9 June 2017.