| Lorenzaccio | |
|---|---|
| Sire | Klairon |
| Grandsire | Clarion |
| Dam | Phoenissa |
| Damsire | The Phoenix |
| Sex | Stallion |
| Foaled | 1965 |
| Country | United Kingdom |
| Colour | Chestnut |
| Breeder | A D D Rogers |
| Owner | Charles St George |
| Trainer | Noel Murless |
| Record | 24:7-6-4 |
| Major wins | |
| July Stakes (1967) Prix Jean Prat (1968) Prix Quincey (1969) Prix Foy (1969) Champion Stakes (1969) | |
| Awards | |
| Timeform rating 130 | |
Lorenzaccio (1965–1983) was a British Thoroughbred racehorse and sire. As a racehorse he was best known for his upset victory over the Triple Crown winner Nijinsky in the 1970 running of the Champion Stakes. In four years of racing he also won the July Stakes, Prix Jean Prat, Prix Quincey and Prix Foy as well as being placed in several other important races. At stud, he was best known as the sire of the outstanding breeding stallion Ahonoora.