CONSTITUENCY RESULT : Blaenau Gwent
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Nick Smith | Labour | Male | 14,862 | 49.2% | -8.8 | ||
| Richard Taylor | Brexit Party | Male | 6,215 | 20.6% | 0.0 | ||
| Laura Jones | Conservative | Female | 5,749 | 19.0% | +4.3 | ||
| Peredur Owen Griffiths | Plaid Cymru | Male | 1,722 | 5.7% | -15.5 | ||
| Chelsea-Marie Annett | Liberal Democrat | Female | 1,285 | 4.3% | +3.3 | ||
| Stephen Priestnall | Green | Male | 386 | 1.3% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 8,647 | |
| Percent | 28.6% | |
| Rank (1 = highest %) | 265 | |
| Turnout | ||
| Constituency | 59.6% | |
| Region | 66.6% | |
| UK | 67.3% | |
| Constituency in 2017 | 63.2% | |
| Size of electorate | 50,739 | |
| Valid votes cast | 30,219 |