| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Suspicious Native | chestnut | f | 1972 | Raise a Native | Be Suspicious | Thoroughbred | USA | |
| Susquehanna Days | bay | f | 1990 | Chief's Crown | Gliding By | Thoroughbred | USA | |
| Susurrant | d.-bay | f | 1978 | What a Pleasure | Land Girl | Thoroughbred | USA | |
| Sutan | bay | c | 2008 | 643098100106956 | 0510-4 Sosran | 0738-2 Tumba | Thoroughbred | Mr. Rozhkov P.T. |
| Sutana | bay | f | 2004 | 3493-1 Talisman | 1314-3 Sangriya | Thoroughbred | Mr. Kalmykov G.N. | |
| Sutseersha | chestnut | f | Soothsayer | Beresina | Thoroughbred | |||
| Sutserina | br. | f | 1827 | Soothsayer | Arabka | Thoroughbred | u Muraveva A.P. | |
| Suu Ayaz | bay | f | 2023 | 900255000167542 | 1581-7 Grin Rok | 6752-8 Sayara | Thoroughbred | Mr Tokov H-M. T. |
| Suuk-Su | chestnut | f | 1904 | Endurance | Bre-ke-ke-ke | Thoroughbred | ||
| Suut | bay | c | 2024 | 900255001779147 | 1581-7 Grin Rok | 5845-7 Savelya | Thoroughbred | Mr Shikhov A. S. |