Dwyfor Meirionnydd is currently held by Plaid Cymru, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Tomos Day Conservative | − | − | − | |
| Karl Drinkwater Green | − | − | − | |
| Joan Ginsberg Heritage Party | − | − | − | |
| Phoebe Jenkins Liberal Democrat | − | − | − | |
| Lucy Murphy Reform UK | − | − | − | |
| Liz Saville Roberts Plaid Cymru | − | − | − | |
| Joanna Stallard Labour | − | − | − |