An election to the 57th Parliament of the United Kingdom for the constituency area of Chichester, held as part of the general election on 8 June 2017.
Conservative hold by Gillian Keegan with a majority of 22,621 - 37.8% - on a turnout of 70.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| KEEGAN, Gillian | Con | 36,032 | 60.1% | 2.5% |
| FARWELL, Mark | Lab | 13,411 | 22.4% | 10.2% |
| BROWN, Jonathan | LD | 6,749 | 11.3% | 2.7% |
| BARRIE, Heather | Green | 1,992 | 3.3% | -3.2% |
| MONCREIFF, Andrew | UKIP | 1,650 | 2.8% | -12.2% |
| EMERSON, Andrew | Patr | 84 | 0.1% | -0.0% |
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 84,991, having a valid vote count of 59,918 and an invalid vote count of 129.
Result declared at 03:10 on 9 June 2017.