CONSTITUENCY RESULT : Dwyfor Meirionnydd
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Liz Saville Roberts | Plaid Cymru | Female | 14,447 | 48.3% | +3.2 | ||
| Tomos Davies | Conservative | Male | 9,707 | 32.4% | +3.3 | ||
| Graham Hogg | Labour | Male | 3,998 | 13.4% | -7.3 | ||
| Louise Hughes | Brexit Party | Female | 1,776 | 5.9% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 4,740 | |
| Percent | 15.8% | |
| Rank (1 = highest %) | 426 | |
| Turnout | ||
| Constituency | 67.5% | |
| Region | 66.6% | |
| UK | 67.3% | |
| Constituency in 2017 | 67.9% | |
| Size of electorate | 44,362 | |
| Valid votes cast | 29,928 |