| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Warrshan | bay | c | 1986 | Northern Dancer | Secret Asset | Thoroughbred | USA | |
| Warrullah | f | 1965 | Nalur | Skip Deck | Thoroughbred | USA | ||
| Wartack | bay | c | 2023 | 643099001888004 | 1042-5 Erdenet | 5557-7 Variatika | Thoroughbred | Svoboda Farm |
| Warwick | f | 1911 | Wool Winder | Weatherbound | Thoroughbred | |||
| Was Ihr Wollt | f | 1931 | Oleander | Wunschelruthe | Thoroughbred | |||
| 2614-4 Wasaya | bay | f | 1990 | Wassl | Wurud | Thoroughbred | Great Britain | |
| Washington Bridge | bay | f | 2007 | Yankee Gentleman | Stirling Bridge | Thoroughbred | USA | |
| Washoe Belle | br. | f | 1913 | Sweep | Grace Commoner | Thoroughbred | USA | |
| Wasnah | bay | f | 1987 | Nijinsky II | Highest Trump | Thoroughbred | USA | |
| Wasp | bay | f | 1811 | Gohanna | Thoroughbred | Great Britain |