1945 General Election - Cardiff South
| Year | 1945 |
| General election | 1945 General Election |
| Constituency | Cardiff South |
| Turnout | 73.9% |
Results
| Candidate | Party | Votes |
| Callaghan, Leonard James | Labour | 17,489 |
| Evans, Henry Arthur | Conservative | 11,545 |
| Year | 1945 |
| General election | 1945 General Election |
| Constituency | Cardiff South |
| Turnout | 73.9% |
| Candidate | Party | Votes |
| Callaghan, Leonard James | Labour | 17,489 |
| Evans, Henry Arthur | Conservative | 11,545 |