An election to the 57th Parliament of the United Kingdom for the constituency area of Crawley, held as part of the general election on 8 June 2017.
Conservative hold by Henry Smith with a majority of 2,457 - 4.9% - on a turnout of 68.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| SMITH, Henry | Con | 25,426 | 50.6% | 3.6% |
| LUNNON, Tim | Lab | 22,969 | 45.7% | 12.1% |
| SCEPANOVIC, Marko | LD | 1,878 | 3.7% | 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 73,425, having a valid vote count of 50,273 and an invalid vote count of 181.
Result declared at 06:14 on 9 June 2017.