| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 345515C | Sombra del Monte | Criollo | SY15 (12yo) | Mare | Buckskin | WW | Jewel |
| 392122B | Sombra M | Lusitano | SY22 (5yo) | Stallion | Black | WE | Merry |
| 299217C | Sombra Specter | Quarter Horse | SY17 (10yo) | Stallion | Grulla | EV | Dani |
| 394917C | Sombras del Oeste | Spanish Mustang | SY17 (10yo) | Mare | Black Splash | WW | Jewel |
| 350825B | Some Fencing Guy | Thoroughbred | SY25 (2yo) | Gelding | Black | FR | Ellis |
| 096120S | Some Like It Hot | Thoroughbred | SY20 (7yo) | Mare | Black | EV | Morrigan |
| 244412C | Something In The Water | Appendix Quarter Horse | SY12 (15yo) | Mare | Flaxen Palomino | WR | Jewel |
| 245910C | Something's Gotta Give | Quarter Pony | SY10 (17yo) | Gelding | Black | WR | Jewel |
| 028713B | Son Of A Biscuit Eater | Haflinger | SY13 (14yo) | Stallion | Chestnut | HU | Lissa |
| 147613C | Son of A Sinner | Thoroughbred | SY13 (14yo) | Stallion | Chestnut | CC | Lissa |
| 412123B | Song of the South CCR | Quarter Horse | SY23 (4yo) | Stallion | Dunalino | WW | Soleil |
| 296622C | Sonic Starlet IE | Quarter Horse | SY22 (5yo) | Mare | Grulla | SR | Izabella |
| 189914C | Sonic Vanguard | Paint Horse | SY14 (13yo) | Stallion | Buckskin Tobiano | WW | Morrigan |
| 453323B | Sonique M | Trakehner | SY23 (4yo) | Mare | Bay | EV | Soleil |
| 421223B | Sooner Eclipse | Thoroughbred | SY24 (3yo) | Mare | Chestnut Sabino | FR | Lissa |
| 245420C | Soothing Touch | Appendix Quarter Horse | SY20 (7yo) | Mare | Bay | SR | Jewel |
| 344122B | Soraya SLS | Criollo | SY22 (5yo) | Mare | Blue Roan | WW | Athene |
| 251921C | Sound the Alarm | Appaloosa | SY21 (6yo) | Mare | Buckskin Blanket | WS | Morrigan |
| 252022C | Sounds Sus | Thoroughbred | SY22 (5yo) | Mare | Bay | FR | Lissa |
| 188314C | Soundwave | Holsteiner | SY14 (13yo) | Stallion | Chestnut | EV | Shanny |
| 305220C | Sour Patch Kid SW | Holsteiner | SY20 (7yo) | Stallion | Bay | HU | Manders |
| 319521C | Sour Sassafras | Arabo Friesian | SY21 (6yo) | Mare | Black | CD | Athene |
| 046512C | Southern Starlette | American Saddlebred | SY12 (15yo) | Mare | Bay Tobiano | JP | Manders |
| 492222C | Southport Coloratura | American Saddlebred | SY22 (5yo) | Mare | Chestnut | SS | Merry |
| 492321C | Southport Musette | American Saddlebred | SY21 (6yo) | Mare | Grey | SS | Merry |
