Cornwall South East 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. | ||
|---|---|---|---|---|
| Martin Corney Green | − | − | − | |
| Graham Cowdry Heritage Party | − | − | − | |
| Anna Gelderd Labour | − | − | − | |
| Colin Martin Liberal Democrat | − | − | − | |
| Sheryll Murray Conservative | − | − | − | |
| Paul Wadley Reform UK | − | − | − |