| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sphere | chestnut | f | 1950 | The Phoenix | Ponder | Thoroughbred | Ireland | |
| Sphinxlike | chestnut | f | 1956 | Princequillo | Little Sphinx | Thoroughbred | USA | |
| 3373-5 Spica | bay | f | 2007 | Aldebaran | Fariedah | Thoroughbred | USA | |
| Spicebox | chestnut | f | 1923 | Spion Kop | Sally Lunn | Thoroughbred | Great Britain | |
| Spich | bay | c | 2016 | 643090000128422 | 0770-5 Chief Leader | 0641-2 Sabari | Thoroughbred | Mr Magomedov N.Kh. |
| Spicy Romance | grey | c | 2010 | 643094100137206 | Discreet Cat | Plenty of Spirit | Thoroughbred | USA |
| Spid | bay | c | 1978 | 3131 Irha | 4039 Spidola | Thoroughbred | Onufrievsk Stud | |
| Spid-Vel | chestnut | f | 1874 | Molodoj Bard | Full-cry | Thoroughbred | ||
| Spidest Boy | bay | c | 2017 | 1373-6 School's Distance | 4455-6 Sarafsa | Thoroughbred | Svoboda Farm | |
| Spiditaim | bay | c | 2006 | 0471-4 Mister Sham | 10084 Strekoza | Thoroughbred | Mr Tverdohleb I.M. |