| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 3972-6 Soviet Legacy | bay | f | 2011 | 643094100344207 | Lemon Drop Kid | Russian Broad | Thoroughbred | USA |
| Soviet Sojourn | bay | f | 1989 | 3509-1 Leo Castelli | Political Parfait | Thoroughbred | USA | |
| Soviet Star | bay | c | 1984 | Nureyev | Veruschka | Thoroughbred | USA | |
| Sovietta | chestnut | f | 1928 | Stefan the Great | Last Straw | Thoroughbred | USA | |
| Sovinista | bay | f | 1991 | Soviet Star | Princess Genista | Thoroughbred | Great Britain | |
| Sovinjon | chestnut | c | 2022 | 643090000485300 | 0833-5 Indian Jameson | 4450-6 Samotsvetnaya | Thoroughbred | Mr Yukhigov N.S. |
| Sovinon Blan | grey | c | 2025 | 643099002495421 | 2151-8 Winner Boy | 6386-8 Sotie Uno T N | Thoroughbred | Tatneft Company |
| Sovka | bay | f | 1975 | 3005 Anilin | 4487 Sopochka | Thoroughbred | Voskhod Stud | |
| Sovmen | bay | c | 1997 | 3538-1 Kris Kringle | 7927 Pantera | Thoroughbred | Erdan Farm | |
| Sown | chestnut | f | 1983 | Grenfall | Bad Seed | Thoroughbred | USA |