1966 General Election - Carmarthen
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | Carmarthen |
| Turnout | 82.6% |
Results
| Candidate | Party | Votes |
| George, Lady Megan | Labour | 21,221 |
| Davies, D Hywel | Liberal | 11,988 |
| Evans, Gwynfor | Plaid Cymru | 7,416 |
| Day, Simon | Conservative | 5,338 |