1966 General Election - Rotherham
| Year | 1966 | 
| General election | 1966 General Election | 
| Constituency | Rotherham | 
| Turnout | 68.7% | 
Results
| Candidate | Party | Votes | 
| O'Malley, Brian | Labour | 27,402 | 
| Cooke, Eric | Conservative | 11,925 | 
| Year | 1966 | 
| General election | 1966 General Election | 
| Constituency | Rotherham | 
| Turnout | 68.7% | 
| Candidate | Party | Votes | 
| O'Malley, Brian | Labour | 27,402 | 
| Cooke, Eric | Conservative | 11,925 |