Results for a UK general election on 6 May 2010 Elections contested by Communist Party of Britain
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.
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Position |
| Cardiff South and Penarth | GRIFFITHS, Robert | 73,707 | 60.2% | 196 | 0.4% | - | 9th |
| Croydon North | STEVENSON, Ben | 85,216 | 60.6% | 160 | 0.3% | - | 8th |
| Glasgow North West | LIVINGSTONE, Mark | 60,997 | 58.3% | 179 | 0.5% | - | 7th |
| Newcastle Upon Tyne East | LEVY, Martin | 64,487 | 58.7% | 177 | 0.5% | - | 6th |
| North Devon | SABLES, Gerrard | 74,508 | 68.9% | 96 | 0.2% | - | 9th |
| Sheffield South East | ANDREW, Steve | 67,068 | 61.7% | 139 | 0.3% | - | 6th |
Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.