1966 General Election
Derby South
| Party | Candidate | Votes | Percent | Change | |
|---|---|---|---|---|---|
| Labour | Noel-Baker, Philip | 21,433 | 57.5% | -0.2% | |
| Conservative | Fidler, MCG | 11,857 | 31.8% | -10.5% | |
| Liberal | Smart, AL | 3,966 | 10.6% | N/A | |
| Majority | 9,576 | 25.7% | +10.3% | Turnout | 37,256 | 72.6% | -2.2% | Swing | +5.15% |
