| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Wellington | black | c | 1808 | Thoroughbred | Great Britain | |||
| Wellingtonia | chestnut | c | 1869 | Chattanooga | Thoroughbred | |||
| Wells Fargo | bay | f | 1996 | Sadler's Wells | Cruising Height | Thoroughbred | Great Britain | |
| Welsh Abbot | br. | c | 1955 | Abernant | Sister Sarah | Thoroughbred | ||
| Welsh Bede | chestnut | f | 1964 | Welsh Abbot | B And D | Thoroughbred | Great Britain | |
| Welsh Blossom | bay | f | 1975 | Welsh Saint | Riding High | Thoroughbred | Great Britain | |
| Welsh Chanter | bay | c | 1976 | Welsh Pageant | Miss Ryvita | Thoroughbred | Ireland | |
| Welsh Dancer | f | 1981 | Welsh Saint | Dancing Princess | Thoroughbred | Great Britain | ||
| Welsh Empress | chestnut | f | 1952 | Thoroughbred | Great Britain | |||
| Welsh Flame | bay | f | 1973 | Welsh Pageant | Electric Flash | Thoroughbred | Great Britain |