| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Woodside | bay | f | 1937 | Furrokh Siyar | Princess Argosy | Thoroughbred | Ireland | |
| Woodwind | chestnut | f | 1973 | Whistling Wind | Garden Green | Thoroughbred | France | |
| 4561-6 Woody Land | d.-bay | f | 2006 | 643094100001518 | Woodman | Kukicha | Thoroughbred | USA |
| Woodyoubelieveit | bay | f | 1993 | Woodman | Tricky Fingers | Thoroughbred | USA | |
| Wool Winder | bay | c | 1904 | Martagon | Thoroughbred | Great Britain | ||
| Wooly Willow | bay | f | 1979 | Irish Stronghold | Crelita | Thoroughbred | Canada | |
| Wootton Basset | bay | c | 2008 | Iffraaj | Balladonia | Thoroughbred | Great Britain | |
| Wootton Bassett | c | Thoroughbred | Great Britain | |||||
| Woozem | d.-bay | f | 1964 | Hail to Reason | Juliets Nurse | Thoroughbred | USA | |
| Word From Lundy | bay | f | 1966 | Worden 2 | Thoroughbred | Great Britain |