Results for the UK general election on 12 December 2019 South West, England - by party
Registered political parties nominating candidates standing in the general election on 12 December 2019. 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 | 1,612,090 | 52.8% | 48 |
| Labour | 55 | 713,226 | 23.4% | 6 |
| Liberal Democrat | 51 | 554,504 | 18.2% | 1 |
| Green Party | 46 | 115,021 | 3.8% | 0 |
| The Brexit Party | 7 | 11,139 | 0.4% | 0 |
| Liberal | 7 | 4,225 | 0.1% | 0 |
| Mebyon Kernow - The Party for Cornwall | 1 | 1,660 | 0.1% | 0 |
| UK Independence Party | 2 | 1,227 | 0.0% | 0 |
| Libertarian Party | 1 | 567 | 0.0% | 0 |
| Animal Welfare Party | 1 | 489 | 0.0% | 0 |
| Official Monster Raving Loony Party | 1 | 445 | 0.0% | 0 |
| Motherworld Party | 1 | 270 | 0.0% | 0 |
| The Citizens Movement Party UK | 1 | 257 | 0.0% | 0 |
| The Constitution and Reform Party | 1 | 186 | 0.0% | 0 |
| The Common People | 1 | 132 | 0.0% | 0 |