CONSTITUENCY RESULT : Caerphilly
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Wayne David | Labour | Male | 18,018 | 44.9% | -9.5 | ||
| Jane Pratt | Conservative | Female | 11,185 | 27.9% | +2.7 | ||
| Lindsay Whittle | Plaid Cymru | Male | 6,424 | 16.0% | +1.6 | ||
| Nathan Gill | Brexit Party | Male | 4,490 | 11.2% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 6,833 | |
| Percent | 17.0% | |
| Rank (1 = highest %) | 410 | |
| Turnout | ||
| Constituency | 63.5% | |
| Region | 66.6% | |
| UK | 67.3% | |
| Constituency in 2017 | 64.1% | |
| Size of electorate | 63,166 | |
| Valid votes cast | 40,117 |