Results for the UK general election on 7 May 2015 South West, England - by party
Registered political parties nominating candidates standing in the general election on 7 May 2015. This list does not include candidates standing as independents or the candidate standing as House of Commons Speaker.
| Party | Constituencies contested | Votes | Vote share | Constituencies won |
| Conservative | 55 | 1,319,994 | 46.5% | 51 |
| Labour | 55 | 501,684 | 17.7% | 4 |
| Liberal Democrat | 55 | 428,927 | 15.1% | 0 |
| UK Independence Party | 55 | 384,546 | 13.6% | 0 |
| Green Party | 54 | 168,130 | 5.9% | 0 |
| Mebyon Kernow - The Party for Cornwall | 6 | 5,675 | 0.2% | 0 |
| The Party for Poole People Ltd. | 1 | 1,766 | 0.1% | 0 |
| Trade Unionist and Socialist Coalition | 8 | 1,381 | 0.0% | 0 |
| Bournemouth Independent Alliance | 1 | 903 | 0.0% | 0 |
| National Health Action Party | 1 | 526 | 0.0% | 0 |
| English Democrats | 2 | 374 | 0.0% | 0 |
| Left Unity | 2 | 282 | 0.0% | 0 |
| Communist Party of Britain | 2 | 244 | 0.0% | 0 |
| Official Monster Raving Loony Party | 1 | 227 | 0.0% | 0 |
| Independents for Bristol | 1 | 204 | 0.0% | 0 |
| British National Party | 1 | 164 | 0.0% | 0 |
| Movement for Active Democracy (M.A.D.) | 1 | 164 | 0.0% | 0 |
| Free Public Transport Party | 1 | 100 | 0.0% | 0 |
| Patria | 1 | 99 | 0.0% | 0 |
| The Birthday Party | 1 | 81 | 0.0% | 0 |
| Restore the Family For Children's Sake | 1 | 52 | 0.0% | 0 |
| Vapers In Power | 1 | 49 | 0.0% | 0 |
| The Principles of Politics Party | 1 | 37 | 0.0% | 0 |