1970 General Election - Swansea West
| Year | 1970 |
| General election | 1970 General Election |
| Constituency | Swansea West |
| Turnout | 75.7% |
Results
| Candidate | Party | Votes |
| Williams, Alan | Labour | 24,622 |
| Rees, John | Conservative | 21,384 |
| Gwent, Gruffydd ap | Plaid Cymru | 3,033 |