| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 475124S | Sul Sul | Thoroughbred | SY24 (3yo) | Mare | Black | FR | Lorelei |
| 272221C | Sullen Angel | Quarter Horse | SY21 (6yo) | Mare | Palomino | WW | Merry |
| 047617C | Sultana | Arabian | SY17 (10yo) | Mare | Chestnut | DG | Manders |
| 372421C | Sumah | Arabian | SY21 (6yo) | Mare | Grey | SS | Soleil |
| 021612C | Summer Rain | Irish Cob | SY12 (15yo) | Mare | Palomino | DG | Manders |
| 138415C | Summertime Blues | Morgan | SY15 (12yo) | Stallion | Cremello | JP | Manders |
| 305520C | Sun Seeker SW | Holsteiner | SY20 (7yo) | Mare | Chestnut | HU | Manders |
| 452012C | Sun Spot | Knabstrupper | SY12 (15yo) | Mare | Chestnut Fewspot | EV | Rhianon |
| 364320B | Sunday Drive SLS | Appendix Quarter Horse | SY20 (7yo) | Mare | Bay Dun | HU | Jewel |
| 290416C | Sunkissed Spice | Quarter Horse | SY16 (11yo) | Mare | Dunskin | HU | Jewel |
| 103121B | Sunny Bono | Irish Cob | SY21 (6yo) | Stallion | Buckskin Sabino | DG | Manders |
| 463323C | Sunrid | Faroe Pony | SY23 (4yo) | Mare | Grey | TC | Meketra |
| 196222C | Sunshine | Holsteiner | SY22 (5yo) | Mare | Chestnut | CC | Shanny |
| 173522B | Super Graphic Ultra Modern Girl | Thoroughbred | SY22 (5yo) | Mare | Buckskin Rabicano | CC | Morrigan |
| 312321C | Superlative | Thoroughbred | SY21 (6yo) | Mare | Chestnut | FR | Soleil |
| 217622B | Supernova Blackhole | Appaloosa | SY22 (5yo) | Mare | Bay Blanket | JP | Manders |
| 375115C | Superstition | Dutch Harness Horse | SY15 (12yo) | Stallion | Chestnut | SS | Rhianon |
| 289516C | Surajmukhi | Marwari | SY16 (11yo) | Stallion | Palomino | TC | Niamh |
| 045116C | Surrender | Quarter Horse | SY16 (11yo) | Mare | Buckskin | WS | Rhianon |
| 336514C | Suruata | Marwari | SY14 (13yo) | Mare | Black | EN | Rhianon |
| 215022C | Suspicious Behavior | Appaloosa | SY22 (5yo) | Stallion | Flaxen Chestnut Blanket | SR | Jen |
| 004716C | Suspicious Minds | Quarter Horse | SY16 (11yo) | Mare | Black | WW | Rhianon |
| 392322B | Sutil M | Lusitano | SY22 (5yo) | Mare | Red Dun | WE | Merry |
| 385915C | Svoboda | Czech Warmblood | SY15 (12yo) | Mare | Grey | DG | Rhianon |
| 148113C | Sweet Caroline | Thoroughbred | SY13 (14yo) | Mare | Buckskin | CC | Lissa |
