| Registered Name | Owner / Club | Status |
|---|---|---|
| Sewn Up | Tom Butler Nuenna Farm | Approved |
| Sexton Prince (IRE) | Maura Walsh Tara Hill | Approved |
| SFH Supernova | Cait Hennessy Newpark | Approved |
| SGC Harveys Dream | Martina Sherman Killcarrick | Approved |
| Shabby Chic | Blanche May Starling Coolbell | Approved |
| Shades of Dante | Kate Carton Ross House | Approved |
| Shadow | Fiona Fenton South Roscommon | Approved |
| Shadow Dancer | Geraldine Dempsey Cheval | Approved |
| Shadow Indigo | Emer Creedon Knocknamana Country | Approved |
| Shadow of a Diamond | Kevin McCarron Drumcoura | Approved |
| Shadow of Rohan | Catriona Lang Carne | Approved |
| Shadow Time | Dearbhle Creagh Benbulben | Approved |
| Shafts Ballyguiry Star | Michelle Gazely Clonmel | Approved |
| Shaken Not Stirred | Shona Maguire Warrington | Approved |
| Shakespear's Sister | Amanda Hehir Slieve Bloom | Approved |