| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Whimbrel | bay | f | 1951 | The Phoenix | Lindus | Thoroughbred | Great Britain | |
| Whimiscal Day | chestnut | f | 2000 | Spinning World | Helwa | Thoroughbred | USA | |
| Whimsical | br. | f | 1958 | Nearula | Whimbrel | Thoroughbred | Great Britain | |
| Whimsical Aire | chestnut | f | 1982 | Messenger of Song | Silky Steel | Thoroughbred | USA |