An election to the 56th Parliament of the United Kingdom for the constituency area of Clacton, held as part of the general election on 7 May 2015.
UKIP gain from Conservative by Douglas Carswell with a majority of 3,437 - 7.8% - on a turnout of 64.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| CARSWELL, Douglas | UKIP | 19,642 | 44.4% | - |
| WATLING, Giles | Con | 16,205 | 36.7% | -16.4% |
| YOUNG, Tim | Lab | 6,364 | 14.4% | -10.6% |
| SOUTHALL, Chris | Green | 1,184 | 2.7% | 1.4% |
| GRACE, David | LD | 812 | 1.8% | -11.1% |
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 68,936, having a valid vote count of 44,207 and an invalid vote count of 168.
Result declared at 04:38 on 8 May 2015.