| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Switch In Time | bay | f | 2014 | Galileo | Switch | Thoroughbred | Ireland | |
| Switch Mo | bay | c | 2020 | 981020033552458 | Uncle Mo | Switch In Time | Thoroughbred | Moyglare Stud Farm LTD |
| Switch to the Lead | bay | f | 2010 | Songandaprayer | Dressed for Succes | Thoroughbred | USA | |
| Swivel | bay | c | 1819 | Thoroughbred | Great Britain | |||
| Swizzle | bay | f | 2014 | Broken Vow | Dowell House | Thoroughbred | USA | |
| Swizzlestick | bay | f | 1925 | Broomstick | Champagne | Thoroughbred | USA | |
| Swollow | bay | f | 1912 | Your Majesty | Bird of Fame | Thoroughbred | Great Britain | |
| Swoon | chestnut | f | 1942 | Sweep Like | Sadie Greenock | Thoroughbred | USA | |
| Swoon Bread | f | 1961 | Swoon's Son | Lawdy Claudy | Thoroughbred | |||
| Swoon's Son | bay | c | 1953 | The Doge | Swoon | Thoroughbred | USA |