An election to the 56th Parliament of the United Kingdom for the constituency area of Norwich South, held as part of the general election on 7 May 2015.
Labour gain from Liberal Democrats by Clive Lewis with a majority of 7,654 - 15.8% - on a turnout of 64.7%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| LEWIS, Clive | Lab | 19,033 | 39.3% | 10.6% |
| TOWNSEND, Lisa | Con | 11,379 | 23.5% | 0.6% |
| GRAHAME, Lesley | Green | 6,749 | 13.9% | -1.0% |
| WRIGHT, Simon | LD | 6,607 | 13.6% | -15.7% |
| EMMENS, Steve | UKIP | 4,539 | 9.4% | 7.0% |
| PEEL, David | CW | 96 | 0.2% | - |
| CEKER, Cengiz | Ind | 60 | 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 74,875, having a valid vote count of 48,463 and an invalid vote count of 177.
Result declared at 05:17 on 8 May 2015.