Results for the UK general election on 8 June 2017 South West, England - by party
Registered political parties nominating candidates standing in the general election on 8 June 2017. 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 | 1,542,296 | 51.4% | 47 |
| Labour | 55 | 875,213 | 29.1% | 7 |
| Liberal Democrat | 55 | 448,730 | 14.9% | 1 |
| Green Party | 48 | 68,010 | 2.3% | 0 |
| UK Independence Party | 24 | 33,160 | 1.1% | 0 |
| National Health Action Party | 1 | 871 | 0.0% | 0 |
| Demos Direct Initiative Party | 1 | 551 | 0.0% | 0 |
| Christian Peoples Alliance | 2 | 505 | 0.0% | 0 |
| Liberal | 1 | 470 | 0.0% | 0 |
| Pirate Party UK | 1 | 418 | 0.0% | 0 |
| Wessex Regionalists | 1 | 223 | 0.0% | 0 |
| Official Monster Raving Loony Party | 1 | 210 | 0.0% | 0 |
| Socialist Labour Party | 1 | 138 | 0.0% | 0 |
| Money Free Party | 1 | 101 | 0.0% | 0 |