| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Where Woody Bea | chestnut | f | 2002 | Woodman | Maratha | Thoroughbred | USA | |
| Where You Lead | chestnut | f | 1970 | Raise a Native | Noblesse | Thoroughbred | USA | |
| Where's Bailey | bay | f | 2002 | Aljabr | Vertigineux | Thoroughbred | USA | |
| Whiba | bay | f | 1906 | St. Serf | Waima | Thoroughbred | France | |
| Whichone | br. | c | 1927 | Chicle | Thoroughbred | USA | ||
| Whiff | bay | c | 1815 | Thoroughbred | Great Britain | |||
| Whiffling | bay | f | 1985 | Wavering Monarch | Queen's Gambit | Thoroughbred | USA | |
| Whig | bay | c | 1954 | Bull Lea | Hoyden | Thoroughbred | USA | |
| Whim | grey | f | 1832 | Kiss | Thoroughbred | Ireland | ||
| Whim | bay | f | 1887 | Lothario mare | Thoroughbred | Ireland |