| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sortavala | bay | f | 2022 | 900233000295869 | 1523-7 Real Furor | 3379-5 Strike Ready | Thoroughbred | Mr Bondarenko S.V. |
| Sorus | bay | c | 2000 | 0656-4 Radius | 0664-2 Sensatziya | Thoroughbred | Streletsk Stud | |
| Sorvand | black | c | 2001 | 0022-2 Baltimor | 7989 Studiya | Thoroughbred | Streletsk Stud | |
| 1832-4 Sorvar | chestnut | f | 2000 | 643094100001317 | Victory Piper | 0653-2 Sarga | Thoroughbred | Rodina Farm |
| Sorvi-Golova | black | f | 1887 | Fogabal | Roza-Slavianka | Thoroughbred | u Ilenko I.M. | |
| 1503 Sosani | black | f | 1939 | 1162 Caymanas | 715 Sabie | Thoroughbred | Muhrovansk Stud | |
| Sosedka | br. | f | 1985 | 0165-2 Skald | 5283 Selena | Thoroughbred | Issyk-Kul Stud | |
| Sosedka | chestnut | f | 2015 | не введен | 0972-5 Statskiy Sovetnik | 1812-4 Sinica | Thoroughbred | Chapaev Farm |
| 5741-1 Sosenka | chestnut | f | 1981 | 3104 Stojkij | 4827 Selma | Thoroughbred | Onufrievsk Stud | |
| Sosenka | chestnut | f | 1970 | 3103 Smolensk | 3080 Skachka | Thoroughbred | Novostavropolsk Stud |