1979 General Election - Pontypridd
| Year | 1979 |
| General election | 1979 General Election |
| Constituency | Pontypridd |
| Turnout | 78.1% |
Results
| Candidate | Party | Votes |
| John, Brynmor | Labour | 32,801 |
| Clay, Michael | Conservative | 17,114 |
| Penri-Williams, Hugh | Liberal | 6,228 |
| Roberts, Alun | Plaid Cymru | 2,200 |
| Davies, RG | National Front | 263 |