| Speak John | |
|---|---|
| Sire | Prince John |
| Grandsire | Princequillo |
| Dam | Nuit de Folies |
| Damsire | Tornado |
| Sex | Stallion |
| Foaled | 1958 |
| Country | United States |
| Color | Bay |
| Breeder | Elmendorf Farm |
| Owner | Elmendorf Farm |
| Trainer | Farrell W. Jones |
| Record | 12: 4-2-0 |
| Earnings | US$36,460 |
| Major wins | |
| Del Mar Derby (1961) Las Vegas Handicap (1961) | |
| Awards | |
| Leading broodmare sire in North America (1985) | |
Speak John (1958–1980) was an American Thoroughbred racehorse who was the 1985 Champion broodmare sire in North America.