| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Wizard King | bay | c | 1991 | Shaadi | Broomstick Cottege | Thoroughbred | Great Britain | |
| Wizard-mare | chestnut | f | 1813 | Thoroughbred | Great Britain | |||
| Wodenblock | br. | c | 1826 | Thoroughbred | Great Britain | |||
| Woe Is Me | grey | f | 1949 | Bull Dog | Grey Mood | Thoroughbred | USA | |
| Woful-mare | bay | f | 1819 | Sancho-mare | Thoroughbred | Great Britain | ||
| Woful-mare | bay | f | 1819 | St. George-mare | Thoroughbred | Great Britain | ||
| Wokcus | f | 1928 | Eastern | Winnica | Thoroughbred | Germany | ||
| 1915-8 Wolcharo | bay | c | 2012 | 985101045198835 | Amadeus Wolf | Love And Devotion | Thoroughbred | Ireland |
| Wold Lass | chestnut | f | 1960 | Vilmorin | Cheb | Thoroughbred | Great Britain | |
| Wolf Gal | bay | f | 1951 | Samurai | Leonardtown | Thoroughbred |