1966 General Election - Dumfries
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Dumfries |
| Turnout | 80.2% |
Results
| Candidate | Party | Votes |
| Monro, Hector | Conservative | 20,779 |
| Boyd, TC | Labour | 16,358 |
| Gair, John | SNP | 5,727 |
| Semple, Roy | Liberal | 2,679 |