| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Wye River | d.-bay | f | 2000 | Pleasant Colony | Rive Du Sud | Thoroughbred | USA | |
| Wye Wander | bay | f | 1953 | Thoroughbred | Great Britain | |||
| Wyn | br. | f | 1937 | Thoroughbred | Great Britain | |||
| Wyndham | chestnut | c | 1933 | Blenheim II | Bossover | Thoroughbred | Great Britain | |
| Wynn Arabian mare | f | 1740 | Wynn's Arabian | Governor mare | Thoroughbred | Great Britain | ||
| Wynn's Arabian | grey | c | 1718 | Thoroughbred | ||||
| Wynway | bay | f | 1947 | Kingsway | Thoroughbred | Great Britain | ||
| Wyola | bay | f | 2001 | Sadler's Wells | Rubies From Burma | Thoroughbred | USA | |
| Wyresdale | f | Chanteur 2 | Thoroughbred | Great Britain | ||||
| Wyvills Childers mare | f | Bartlets Childers | Devonshire Turk mare | Thoroughbred | Great Britain |