| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Whimsical Aire | chestnut | f | 1982 | Messenger of Song | Silky Steel | Thoroughbred | USA | |
| Whimsy | bay | f | 2002 | Maria's Mon | Sigrun | Thoroughbred | USA | |
| Whimsy | bay | f | 2020 | 643110800239034 | 0922-5 Palander | 5366-7 Whimsy Lemon | Thoroughbred | Volgogradsk Stud |
| 5366-7 Whimsy Lemon | chestnut | f | 2013 | 985170003091093 | Lemon Drop Kid | Whimsy | Thoroughbred | USA |
| Whinny | bay | f | 1996 | Southern Halo | Welcome | Thoroughbred | Argentina | |
| Whip | bay | c | 1794 | Saltram | Thoroughbred | Great Britain | ||
| Whipcord | chestnut | f | 1958 | High Treason | Lapwing | Thoroughbred | Great Britain | |
| Whipped Cream | chestnut | f | 1962 | Alycidon | Nagaika | Thoroughbred | Great Britain | |
| Whipper | d.-bay | c | 2001 | Miesque's Son | Myth to Reality | Thoroughbred | USA | |
| Whirl | d.-chest. | f | 1989 | Bellypha | Spin Turn | Thoroughbred | Great Britain |