1955 General Election - South Northamptonshire
| Year | 1955 |
| General election | 1955 General Election |
| Constituency | South Northamptonshire |
| Turnout | 81.6% |
Results
| Candidate | Party | Votes |
| Manningham-Buller, Sir Reginald Edward | Conservative | 21,497 |
| Lewis, Ronald Howard | Labour | 17,339 |