1966 General Election - Greenock
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Greenock |
| Turnout | 73.6% |
Results
| Candidate | Party | Votes |
| Mabon, Jesse | Labour | 18,988 |
| Will, Iain | Liberal | 7,727 |
| Dundas, Ronald | Conservative | 5,835 |
| Dunn, William | Communist | 702 |