Caerfyrddin is currently held by the Conservative Party, and awaits results.
Results for 2019 are notional estimates based on the new boundaries.
| Votes | Share % | Change %pts. | ||
|---|---|---|---|---|
| Will Beasley Green | − | − | − | |
| Nicholas Beckett Liberal Democrat | − | − | − | |
| Ann Davies Plaid Cymru | − | − | − | |
| David Evans Workers Party of Britain | − | − | − | |
| Simon Hart Conservative | − | − | − | |
| Bernard Holton Reform UK | − | − | − | |
| Martha O'Neil Labour | − | − | − | |
| Nancy Cole Women's Equality Party | − | − | − |