An election to the 56th Parliament of the United Kingdom for the constituency area of Bristol South, held as part of the general election on 7 May 2015.
Labour hold by Karin Smyth with a majority of 7,128 - 14.0% - on a turnout of 62.4%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| SMYTH, Karin | Lab | 19,505 | 38.4% | -0.1% |
| GRANT, Isobel | Con | 12,377 | 24.3% | 1.4% |
| WOOD, Steve | UKIP | 8,381 | 16.5% | 13.9% |
| DYER, Tony | Green | 5,861 | 11.5% | 9.0% |
| WRIGHT, Mark | LD | 4,416 | 8.7% | -20.0% |
| BALDWIN, Tom | TUSC | 302 | 0.6% | 0.2% |
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 81,496, having a valid vote count of 50,842 and an invalid vote count of 164.
Result declared at 06:11 on 8 May 2015.