| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sigsag | black | c | 2002 | 370 Zaalkonig | Glizinija | russkaja werhovaja | Starojilovskii kz | |
| Sikhote | Db. | f | 2018 | San Francisco | 3690 Chalperjana 14 | Hannoveraner | Ermak Stud | |
| Sila 49 | chestnut | f | 1974 | Akhal-Teke | ||||
| Silariya | bay | f | 2009 | Lawal,Laval 2 | Ledi Dens | Holsteiner | Petschinkina M.A.,tschwl. | |
| Silatsch | c | ohne Rasse | ||||||
| Silavs L 847 | bay | c | 1971 | Saimnieks Lb 764 | Rasa Lb 1195 | Latvian Warmblut | Latvia | |
| 244 Silberchaube | chestnut | f | 1962 | Senator 3898 | Duhterbirke | Hannoveraner | Germany | |
| 245 Silberchirtin | bay | f | 1962 | Senator 3898 | Degenkette | Hannoveraner | Germany | |
| Silberdistel | f | 1964 | Hannoveraner | Germany | ||||
| Silbergraf | c | 1986 | Silvester | Tronja | Holsteiner | Germany |