1979 General Election - Carmarthen
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Carmarthen |
| Turnout | 84.4% |
Results
| Candidate | Party | Votes |
| Thomas, Roger | Labour | 18,667 |
| Evans, Gwynfor | Plaid Cymru | 16,689 |
| Thomas, Nigel | Conservative | 12,272 |
| Thomas, Richard | Liberal | 4,186 |
| Grice, Charlie | National Front | 149 |
| Clarke, EJ | New Britain | 126 |