Constellation (1964 yacht)
| Yacht club | New York Yacht Club | 
|---|---|
| Nation | United States | 
| Class | 12-metre | 
| Sail no | US–20 | 
| Designer(s) | Olin Stephens | 
| Builder | Minneford’s Yacht Yard Inc. | 
| Launched | 1964 | 
| Owner(s) | Eric Ridder syndicate | 
| Racing career | |
| Skippers | Eric Ridder and Bob Bavier | 
| Notable victories | 1964 America's Cup | 
| America's Cup | 1964 America's Cup | 
| AC Defender Selection Series  | 1964 America's Cup Defender Selections Series | 
| Specifications | |
| Length | 20.82 m (68.3 ft) (LOA) 14.05 m (46.1 ft) (LWL)  | 
| Beam | 3.66 m (12.0 ft) | 
| Sail area | 170 m2 (1,800 sq ft) | 
Constellation is an American 12-metre class racing yacht that successfully defended the 1964 America's Cup.
On 20 September 1964, Constellation completed a 4–0 victory over Sovereign in the 1964 America's Cup.