1983 General Election - Dumbarton
| Year | 1983 |
| General election | 1983 General Election |
| Constituency | Dumbarton |
| Turnout | 75.1% |
Results
| Candidate | Party | Votes |
| Campbell, Ian | Labour | 15,810 |
| Lawson, Iain | Conservative | 13,695 |
| Sawyer, Robert | Social Democratic | 9,813 |
| Bayne, Ian | SNP | 3,768 |