1966 General Election - Chislehurst
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Chislehurst |
| Turnout | 84.3% |
Results
| Candidate | Party | Votes |
| Macdonald, Alistair | Labour | 22,757 |
| Hornsby-Smith, Margaret | Conservative | 21,947 |
| Hayden, Paul | Liberal | 5,761 |