An election to the 56th Parliament of the United Kingdom for the constituency area of Peterborough, held as part of the general election on 7 May 2015.
Conservative hold by Stewart Jackson with a majority of 1,925 - 4.1% - on a turnout of 64.9%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| JACKSON, Stewart | Con | 18,684 | 39.7% | -0.7% |
| FORBES, Lisa | Lab | 16,759 | 35.6% | 6.1% |
| HERDMAN, Mary | UKIP | 7,485 | 15.9% | 9.2% |
| FOWER, Darren | LD | 1,774 | 3.8% | -15.9% |
| BISBY-BOYD, Darren | Green | 1,218 | 2.6% | 1.4% |
| ASH, Chris | Lib | 639 | 1.4% | - |
| FOX, John | Ind | 516 | 1.1% | - |
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 72,530, having a valid vote count of 47,075 and an invalid vote count of 177.
Result declared at 02:49 on 8 May 2015.