An election to the 56th Parliament of the United Kingdom for the constituency area of Worthing West, held as part of the general election on 7 May 2015.
Conservative hold by Peter Bottomley with a majority of 16,855 - 33.2% - on a turnout of 67.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| BOTTOMLEY, Peter | Con | 26,124 | 51.5% | -0.3% |
| CROSS, Tim | UKIP | 9,269 | 18.3% | 12.3% |
| DEEN, Jim | Lab | 7,955 | 15.7% | 3.9% |
| THORPE, Hazel | LD | 4,477 | 8.8% | -19.0% |
| AHERNE, David | Green | 2,938 | 5.8% | 3.8% |
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 75,617, having a valid vote count of 50,763 and an invalid vote count of 193.
Result declared at 06:59 on 8 May 2015.