| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 1206-6 Spiritowonderboy | bay | c | 2009 | 643094100088261 | Stevie Wonderboy | Logical Reasoning | Thoroughbred | Canada |
| Spirituality | d.-bay | f | 2014 | Gemologist | Honky Tonk Rose | Thoroughbred | USA | |
| Spirnyj | bay | c | 1984 | 3088 Perekop | 4833 Sorbonna | Thoroughbred | Streletsk Stud | |
| Spit Curl | bay | f | 1980 | Northern Dancer | Coiffure | Thoroughbred | USA | |
| Spitak | bay | c | 2018 | 643093300069431 | 0557-4 Denbera Dancer | 4644-6 Izumruda | Thoroughbred | Studfarm "711" |
| Spiteful Sue | chestnut | f | 1944 | Heather Broom | Saucy Sue | Thoroughbred | USA | |
| Spitfire | bay | c | 2010 | 643094100088376 | 0457-4 Favn | 3372-5 Spectrum Role | Thoroughbred | Abazinsky Farm |
| Spitfire | bay | f | 1799 | Thoroughbred | Great Britain | |||
| Spitfire | bay | f | 1799 | Pipator | Farewell | Thoroughbred | Great Britain | |
| Spitfire | bay | f | 1800 | Beningbrough | Young Sir Peter mare | Thoroughbred | Great Britain |