| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Stinger | bay | G | 2002 | Simwol 25 | Gawanna | Warmblut Mischung | SPK "Progress-Vertelishki" | |
| Stinglas,Stinglas | bay | c | 1999 | 424 Otello | Sandra T.268 | Trakehner | Nemuno Gestut | |
| Stipendija | chestnut | f | 2009 | 552 Pindar | 2920 Strekosa | Trakehner | Gestut Dowator (RZOP KS i K) | |
| Stiprais 725 | black | c | 1964 | Sudrabs Lb 273 | Arta Lb 634 | Latvian Warmblut | Latvia | |
| Stiprajs Lb 725 | c | Latvian Warmblut | Latvia | |||||
| Stite von Erich | f | 1957 | Hannoveraner | Germany | ||||
| Stjag | bay | c | 1977 | 013 Jatagan | Sekzija | Trakehner | ||
| Stoer | grey | f | 1958 | Heilbutt | Joessa | Holsteiner | ||
| Stoik 33 | black | c | 2003 | 423 Tawr 59 | 2124 Stefani 75 | Trakehner | "Kirovsky konny zavod" | |
| 628 Stojka 34 | bay | f | 1974 | 27 Ostrjak 9 | 480 Swaja 18 | Trakehner | "Kirovsky konny zavod" |