An election to the 56th Parliament of the United Kingdom for the constituency area of South Thanet, held as part of the general election on 7 May 2015.
Conservative hold by Craig MacKinlay with a majority of 2,812 - 5.7% - on a turnout of 69.6%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MACKINLAY, Craig | Con | 18,838 | 38.1% | -9.9% |
| FARAGE, Nigel | UKIP | 16,026 | 32.4% | 26.9% |
| SCOBIE, Will | Lab | 11,740 | 23.8% | -7.6% |
| DRIVER, Ian | Green | 1,076 | 2.2% | - |
| TIMPSON, Russell | LD | 932 | 1.9% | -13.2% |
| MURRAY, Al | Ind | 318 | 0.6% | - |
| BAILEY, Ruth | MAIP | 191 | 0.4% | - |
| ASKEW, Nigel | WARP | 126 | 0.3% | - |
| BIRCHALL, Grahame | PUT | 63 | 0.1% | - |
| MCCASTREE, Dean | Ind | 61 | 0.1% | - |
| ABU-OBADIAH, Zebadiah | AZNO | 30 | 0.1% | - |
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 70,970, having a valid vote count of 49,401 and an invalid vote count of 163.
Result declared at 10:45 on 8 May 2015.