| Sinndar | |
|---|---|
 Racing colours of Aga Khan | |
| Sire | Grand Lodge |
| Grandsire | Chief's Crown |
| Dam | Sinntara |
| Damsire | Lashkari |
| Sex | Stallion |
| Foaled | 1997 |
| Country | Ireland |
| Colour | Bay |
| Breeder | HH Aga Khan IV |
| Owner | HH Aga Khan IV |
| Trainer | John Oxx |
| Record | 8: 7-1-0 |
| Earnings | £2,500,000 |
| Major wins | |
| National Stakes (1999) Derrinstown Stud Derby Trial (2000) Epsom Derby (2000) Irish Derby Stakes (2000) Prix Niel (2000) Prix de l'Arc de Triomphe (2000) | |
| Awards | |
| European Champion Three-Year-Old Colt (2000) | |
| Honours | |
| Timeform rating: 135 | |
| Last updated on 28 March 2022 | |
Sinndar (27 February 1997 – 26 November 2018) was an Irish Thoroughbred racehorse and sire. In a racing career that lasted from September 1999 until October 2000, he ran eight times and won seven races. He was notable for his unique achievement in winning The Derby, Irish Derby Stakes and Prix de l'Arc de Triomphe in the same year.