1970 General Election - Monmouth
| Year | 1970 |
| General election | 1970 General Election |
| Constituency | Monmouth |
| Turnout | 81.2% |
Results
| Candidate | Party | Votes |
| Thomas, John | Conservative | 28,312 |
| Anderson, Donald | Labour | 26,957 |
| Hando, David | Liberal | 4,601 |
| Neale, Stuart | Plaid Cymru | 1,501 |