Results for a UK general election on 6 May 2010 Wales - by party
A general election to the 55th Parliament of the United Kingdom with an electorate of 45,597,461, having 29,687,604 valid votes and 81,879 invalid votes.
Read the House of Commons Library briefing.
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 | 36.6% | 26 |
| Conservative | 40 | 382,730 | 26.4% | 8 |
| Liberal Democrat | 40 | 295,164 | 20.3% | 3 |
| Plaid Cymru | 40 | 165,394 | 11.4% | 3 |
| UK Independence Party | 40 | 35,684 | 2.5% | 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 |