Results for the UK general election on 6 May 2010 Wales - by party
Registered political parties nominating candidates standing in the general election on 6 May 2010. 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 |
| Labour | 40 | 531,602 | 36.2% | 26 |
| Conservative | 40 | 382,730 | 26.1% | 8 |
| Liberal Democrat | 40 | 295,164 | 20.1% | 3 |
| Plaid Cymru | 40 | 165,394 | 11.3% | 3 |
| UK Independence Party | 40 | 35,684 | 2.4% | 0 |
| British National Party | 19 | 23,088 | 1.6% | 0 |
| Blaenau Gwent People's Voice | 1 | 6,458 | 0.4% | 0 |
| Green Party | 13 | 6,293 | 0.4% | 0 |
| Christian Party, Proclaiming Christ's Lordship | 8 | 1,947 | 0.1% | 0 |
| Socialist Labour Party | 4 | 1,155 | 0.1% | 0 |
| New Millennium Bean Party | 1 | 558 | 0.0% | 0 |
| National Front | 1 | 384 | 0.0% | 0 |
| Official Monster Raving Loony Party | 2 | 352 | 0.0% | 0 |
| Trade Unionist and Socialist Coalition | 2 | 341 | 0.0% | 0 |
| Communist Party of Britain | 1 | 196 | 0.0% | 0 |
| Alliance for Green Socialism | 1 | 127 | 0.0% | 0 |