| Year: | 1979 |
|---|---|
| General election: | 1979 General Election |
| Constituency: | Truro |
| Turnout: | 82.9% |
Results
| Candidate | Party | Votes |
| Penhaligon, David | Liberal | 33571 |
| Brown, RA | Conservative | 24863 |
| Tidy, BM | Labour | 4689 |
| Whetter, James | Mebyon Kernow | 227 |
| Hedger, NF | National Front | 182 |