| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Westlake | d.-bay | f | 2002 | Honour and Glory | Foxcaller | Thoroughbred | USA | |
| Westminster | bay | c | 1877 | Thoroughbred | Great Britain | |||
| Westminster | br. | c | 1866 | Glenmasson | Figtree | Thoroughbred | Great Britain | |
| Westmister Bridge | chestnut | f | 1950 | Thoroughbred | Great Britain | |||
| 2186-4 Westport | grey | f | 2004 | Mizzen Mast | Western Approach | Thoroughbred | USA | |
| Wet Eyes | bay | f | 1972 | Thoroughbred | USA | |||
| Wet Kiss | chestnut | f | 1913 | Tredennis | Soligena | Thoroughbred | Great Britain | |
| Wetterfahne | bay | f | 1880 | Thoroughbred | Germany | |||
| Weyron | bay | c | 2020 | 981020035779404 | Goldencents | Wabanaki | Thoroughbred | Highclere, Inc. |
| Whadjathink | br. | c | 1988 | Seattle Song | Katerina the Great | Thoroughbred | USA |