1929 General Election - King's Lynn
| Year | 1929 |
| General election | 1929 General Election |
| Constituency | King's Lynn |
| Turnout | 79.1% |
Results
| Candidate | Party | Votes |
| Roche, Edmund Maurice Burke | Unionist | 14,501 |
| Mitford, William Bertram | Liberal | 10,806 |
| Maynard, Herbert | Labour | 10,356 |