| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Sigma | f | 2001 | 312 Gordon 32 | 1210 Serenada 26/96 | Arabian | Tersk Stud | ||
| Sigman | chestnut | c | 2017 | 643094100490202 | 800 SS Grisha (IT) | 1541 Gepra | Arabian | Equeline Farm |
| Signal | chestnut | c | 1993 | 227 Grand 20 | 746 Sekunda 16 | Arabian | ||
| 1995 Sigulda | chestnut | f | 2003 | 375 Gangut | 1430 Sinda | Arabian | "Oros" Stud | |
| Siladdin | c | Arabian | ||||||
| Silindra | chestnut | f | Arabian | |||||
| Silken Sable | f | 1997 | Genecis C (US) | Touch O Mink (US) | Arabian | |||
| Silusuf | f | Arabian | ||||||
| Silver Drift | grey | c | 1951 | Arabian | ||||
| Silver Reflectuon | f | Arabian | USA |