| Registered Name | Owner / Club | Status |
|---|---|---|
| Sizing Australia (IRE) | Nicki Russell Kilotteran | Approved |
| Sizing Colombia (IRE) | Lucy Davis Warrington | Approved |
| Sizzling Sisco | Ros Rorke Cheval | Approved |
| Skehana Boy | Gordon Shier Clonshire | Approved |
| Skehard | Marie Molloy Anvil | Approved |
| Skehard Coco | Siobhan Geary Clonlara | Approved |
| Skerries Bound | Maria Glavin Kerry | Approved |
| Skevanish Redway | Vanessa O' Sullivan South West | Approved |
| Skew Lady | Shannon O'Mahony Clonshire | Approved |
| Skid Solo | Mary Jo Browne Carne | Approved |
| Skipping Gold | John Sandford Kilotteran | Approved |
| Skippy Clover | Tina Dolan Lakelands | Approved |
| Skippy DB | Grainne Treacy Friary | Approved |
| Skol (GB) | Meredith Jackson Castle Leslie | Approved |
| Skreenmor Dancer | Michael Moore Ashbrook | Approved |