1966 General Election - South Antrim
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | South Antrim |
| Turnout | 55.9% |
Results
| Candidate | Party | Votes |
| Cunningham, Knox | UUP | 40,840 |
| Stewart, Sydney | NI Labour | 22,672 |
| Year | 1966 |
| General election | 1966 General Election |
| Constituency | South Antrim |
| Turnout | 55.9% |
| Candidate | Party | Votes |
| Cunningham, Knox | UUP | 40,840 |
| Stewart, Sydney | NI Labour | 22,672 |