1966 General Election - Merioneth
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Merioneth |
| Turnout | 85.8% |
Results
| Candidate | Party | Votes |
| Edwards, William | Labour | 9,628 |
| Jones, Edward | Liberal | 7,733 |
| Jenkins, Ieuan | Plaid Cymru | 2,490 |
| Jones-Lloyd, Campbell | Conservative | 1,948 |