| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Well Dressed | d.-bay | f | 1997 | Notebook | Trithenia | Thoroughbred | USA | |
| Well Kept | bay | f | 1958 | Never Say Die | Bed o'Roses II | Thoroughbred | USA | |
| Well Off | grey | f | 1974 | Welsh Pageant | Rockney | Thoroughbred | Great Britain | |
| Well Related | bay | f | 2004 | Quiet American | Oil Fable | Thoroughbred | USA | |
| Well Rewarded | br. | f | 1935 | Sickle | Hayai | Thoroughbred | USA | |
| Well Sun | bay | f | 1977 | Solazo | Wilful | Thoroughbred | Argentina | |
| Wellaway | bay | f | 1953 | My Love | Seaway | Thoroughbred | Great Britain | |
| Wellenspiel | f | Thoroughbred | Germany | |||||
| Wellington | black | c | 1808 | Thoroughbred | Great Britain | |||
| Wellingtonia | chestnut | c | 1869 | Chattanooga | Thoroughbred |