| Catgut | |
|---|---|
| Sire | Comus or Juniper |
| Grandsire | Sorcerer or Whiskey |
| Dam | Vanity |
| Damsire | Buzzard |
| Sex | Mare |
| Foaled | 1816 |
| Country | United Kingdom |
| Colour | Brown |
| Breeder | George FitzRoy, 4th Duke of Grafton |
| Owner | Duke of Grafton |
| Trainer | Robert Robson |
| Record | 6:2-1-0 |
| Earnings | £2,625 |
| Major wins | |
| 1000 Guineas (1816) | |
Catgut (foaled 1816) was a British Thoroughbred racehorse and broodmare who won the classic 1000 Guineas at Newmarket in 1819. The Guineas was the filly's only competitive win in six races, her other victory coming when she was allowed to walk over on her racecourse debut.