1959 General Election - Cardiff South East
| Year | 1959 |
| General election | 1959 General Election |
| Constituency | Cardiff South East |
| Turnout | 80.7% |
Results
| Candidate | Party | Votes |
| Callaghan, Leonard James | Labour | 26,915 |
| Roberts, Michael Hilary Arthur | Conservative | 26,047 |