| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 4641-6 Wildcat Lass | d.-bay | f | 2011 | 985101045179662 | Street Cry | Lexington Girl | Thoroughbred | Mount Brilliant Farm & Ranch LLC |
| Wilderness Area | d.-bay | f | 2002 | Deputy Minister | Concentric | Thoroughbred | USA | |
| Wildfowler | chestnut | c | 1895 | Gallinule | Thoroughbred | |||
| Wildling | br. | c | 1937 | Arjaman | Willa | Thoroughbred | Germany | |
| Wildly Appealing | bay | f | 2011 | Wildcat Heir | Worldly Bold | Thoroughbred | USA | |
| Wildschutz | c | Thoroughbred | Germany | |||||
| Wildwook | bay | f | 1965 | Sir Gaylord | Blue Canoe | Thoroughbred | USA | |
| Wile Lady | bay | f | 2007 | 0370-3 Chequer | 1878-4 Kiristella | Thoroughbred | Mr. Osmaev I.B. | |
| Wilef | bay | c | 2006 | 643094100094439 | Orpen | Fox Trot Dancer | Thoroughbred | Argentina |
| Wiles | bay | f | 1955 | Thoroughbred | USA |