1979 General Election - Truro
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Truro |
| Turnout | 82.9% |
Results
| Candidate | Party | Votes |
| Penhaligon, David | Liberal | 33,571 |
| Brown, RA | Conservative | 24,863 |
| Tidy, BM | Labour | 4,689 |
| Whetter, James | Mebyon Kernow | 227 |
| Hedger, NF | National Front | 182 |