1966 Kooyong by-election
# 1966 Kooyong by-election

A by-election was held for the Australian House of Representatives seat of Kooyong on 2 April 1966, following the resignation of Liberal Party MP and former Prime Minister Sir Robert Menzies on 16 February 1966.

The by-election was won by Liberal candidate Andrew Peacock, although with a reduced majority.

## Results

Kooyong by-election, 1966 :

| Party | Party | Candidate | Votes | % | ±% |
| - | - | - | - | - | - |
| | Liberal | Andrew Peacock | 25,012 | 56.78 | -7.14 |
| | Labor | William Cooper | 12,181 | 27.65 | +3.28 |
| | Democratic Labor | Bernie Gaynor | 5,854 | 13.29 | +3.12 |
| | Independent | Peter Brereton | 781 | 1.77 | +1.77 |
| | Republican | Charles Cook | 220 | 0.50 | +0.50 |
| Total formal votes | Total formal votes | Total formal votes | 44,048 | 97.98 | -0.95 |
| Informal votes | Informal votes | Informal votes | 900 | 2.02 | +0.95 |
| Turnout | Turnout | Turnout | 44,948 | 89.98 | -5.94 |
| Two-party-preferred result ||||||
| | Liberal | Andrew Peacock | | 69.4 | -4.7 |
| | Labor | William Cooper | | 30.6 | +4.7 |
| | Liberal hold | Liberal hold | Swing | -4.7 | |
