Results for the UK general election on 12 December 2019 England - Elections contested by Socialist Equality Party
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Position |
| Holborn and St Pancras | SCRIPPS, Thomas | 86,061 | 66.0% | 37 | 0.1% | - | 7th |
| Manchester Central | LEECH, Dennis | 92,247 | 56.7% | 107 | 0.2% | - | 6th |
| Sheffield Central | MARSDEN, Chris | 89,849 | 56.7% | 28 | 0.1% | - | 8th |
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.