| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Wheatly Way | d.-bay | f | 1989 | Wheatly | Family Way | Thoroughbred | USA | |
| Wheaton | chestnut | c | 1990 | Alydar | Terlingua | Thoroughbred | USA | |
| Wheedler | bay | f | 1943 | Umidwar | Miss Minx | Thoroughbred | Great Britain | |
| When in Rome | chestnut | f | 1951 | Roman | Now What | Thoroughbred | USA | |
| Where Music Is | bay | f | 1982 | In Reality | Rigid Princess | Thoroughbred | USA | |
| Where To | d.-bay | f | 1968 | Hidden Treasure | Doily | Thoroughbred | Canada | |
| Where To Dance | bay | c | 1985 | Northern Dancer | Where You Lead | Thoroughbred | USA | |
| 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 |