| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 290416C | Sunkissed Spice | Quarter Horse | SY16 (12yo) | Mare | Dunskin | HU | Jewel |
| 103121B | Sunny Bono | Irish Cob | SY21 (7yo) | Stallion | Buckskin Sabino | DG | Manders |
| 463323C | Sunrid | Faroe Pony | SY23 (5yo) | Mare | Grey | TC | Meketra |
| 196222C | Sunshine | Holsteiner | SY22 (6yo) | Mare | Chestnut | CC | The Orchard |
| 173522B | Super Graphic Ultra Modern Girl | Thoroughbred | SY22 (6yo) | Mare | Buckskin Rabicano | CC | Morrigan |
| 312321C | Superlative | Thoroughbred | SY21 (7yo) | Mare | Chestnut | EV | Soleil |
| 217622B | Supernova Blackhole | Appaloosa | SY22 (6yo) | Mare | Bay Blanket | JP | Manders |
| 289516C | Surajmukhi | Marwari | SY16 (12yo) | Stallion | Palomino | TC | Niamh |
| 215022C | Suspicious Behavior | Appaloosa | SY22 (6yo) | Stallion | Flaxen Chestnut Blanket | SR | Jen |
| 392322B | Sutil M | Lusitano | SY22 (6yo) | Mare | Red Dun | WE | Merry |
| 148113C | Sweet Caroline | Thoroughbred | SY13 (15yo) | Mare | Buckskin | CC | Lissa |
| 179611C | Sweet Home Alabama | Appaloosa | SY11 (17yo) | Mare | Chestnut Leopard | WW | Lissa |
| 500825B | Sweet Karma | Quarter Horse | SY25 (3yo) | Mare | Buckskin | SR | Merry |
| 222221B | Sweet Permanence | Appaloosa | SY21 (7yo) | Mare | Red Roan Leopard | SR | Lissa |
| 266922B | Sweet Problem | Thoroughbred | SY22 (6yo) | Mare | Buckskin Sabino | FR | Lissa |
| 390422B | Sweet Sixteen | Thoroughbred | SY22 (6yo) | Mare | Bay | CC | Rhianon |
| 450616C | Sweet Valentine | Quarter Horse | SY16 (12yo) | Mare | Red Roan | WW | Jewel |
| 171617B | Swift Harry | Friesian | SY17 (11yo) | Stallion | Black | DG | Lissa |
| 028818B | Switcheroo | Haflinger | SY18 (10yo) | Mare | Chestnut | HU | Lissa |
| 244621C | Sydney Sparkle | Thoroughbred | SY21 (7yo) | Mare | Grey | FR | Jewel |
| 046313C | Sylvester Stallone | American Saddlebred | SY14 (14yo) | Stallion | Grey | DG | Manders |
| 142920B | Sympathy for the Devil CCR | Quarter Horse | SY20 (8yo) | Mare | Buckskin | WR | Soleil |
| 006612C | Syrruntu | Westphalian | SY12 (16yo) | Mare | Bay | JP | Izabella |
| 404225B | Taarak Pushp | Marwari | SY25 (3yo) | Mare | Grey | TC | Niamh |
| 363823C | Taba | Criollo | SY23 (5yo) | Mare | Bay | WW | Jewel |
