| Horsename: | Debussy |
| Sire: | Diesis |
| Grandsire: | Sharpen Up |
| Dam: | Opera Comique |
| Damsire: | Singspiel |
| Sex: | Stallion |
| Foaled: | 26 February 2006 |
| Country: | Ireland |
| Colour: | Bay/Brown |
| Breeder: | Darley |
| Owner: | Princess Haya Godolphin |
| Trainer: | John Gosden Mahmood Al Zarooni |
| Record: | 22: 6-0-2 |
| Earnings: | £825,857[1] |
| Race: | Blue Riband Trial Stakes (2009) Huxley Stakes (2010) Arlington Million (2010) |
Debussy (foaled 26 February 2006) is an Irish Thoroughbred racehorse who won the Arlington Million in 2010.[1] Debussy was trained by John Gosden.