| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Watch Your Step | chestnut | c | 1956 | Citation | Stepwisely | Thoroughbred | USA | |
| Watchful | bay | f | 2004 | Galileo | Sharakawa | Thoroughbred | Ireland | |
| Watchful | bay | f | 2001 | Danehill | Canny Miss | Thoroughbred | Avstraliia | |
| Water Cress | bay | f | 1968 | Hail to Reason | Hillbrook | Thoroughbred | USA | |
| Water Dance | chestnut | f | 1977 | Nijinsky II | Luiana | Thoroughbred | USA | |
| Water Feature | bay | f | 2003 | Dansili | Shining Water | Thoroughbred | Great Britain | |
| Water Frolic | bay | f | 1975 | Sir Ivor | Waterloo | Thoroughbred | USA | |
| Water Ice | bay | f | 2008 | Shamardal | Cumulate | Thoroughbred | Great Britain | |
| Water Lady | bay | f | 1959 | Ambiorix II | When in Rome | Thoroughbred | USA | |
| Water Lily | br. | f | 1976 | Riverman | First Bloom | Thoroughbred | France |