1966 General Election - Caithness and Sutherland
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Caithness and Sutherland |
| Turnout | 79.2% |
Results
| Candidate | Party | Votes |
| Maclennan, Robert | Labour | 8,308 |
| Mackie, George | Liberal | 8,244 |
| Watt, Hamist | Conservative | 4,662 |