1966 General Election - Tavistock
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Tavistock |
| Turnout | 81.4% |
Results
| Candidate | Party | Votes |
| Heseltine, Michael | Conservative | 21,644 |
| Trethewey, Christopher | Liberal | 13,461 |
| Middleton, Peggy | Labour | 8,902 |