The 1934 Cambridge by-election was held on 8 February 1934. The by-election was held due to the elevation to the peerage of the incumbent Conservative MP, George Newton. It was won by the Conservative candidate Richard Tufnell.[1]
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Conservative | Richard Tufnell | 14,896 | 51.2 | −22.0 | |
| Labour | Alexander Wood | 12,176 | 41.8 | +15.0 | |
| Liberal | Dugald Macfadyen | 2,023 | 7.0 | New | |
| Majority | 2,720 | 9.4 | −37.0 | ||
| Turnout | 29,095 | 69.0 | −6.6 | ||
| Conservative hold | Swing | -18.5 | |||