John Denham Elections won
Parliament Member page for John Denham
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Majority |
| 6 May 2010 | Southampton, Itchen | General election | Lab | 16,326 | 36.8% | 192 |