1979 General Election - Merioneth
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Merioneth |
| Turnout | 83.4% |
Results
| Candidate | Party | Votes |
| Elis-Thomas, Dafydd | Plaid Cymru | 9,275 |
| Harvey, Robert | Conservative | 5,365 |
| Jones, RH | Labour | 5,332 |
| Parsons, JH | Liberal | 2,752 |