| Registered Name | Owner / Club | Status |
|---|---|---|
| Wapiti | Mary Cox Three Rocks | Approved |
| Warden | Sheena Boran Calliaghstown | Approved |
| Wardtown Macha | Nadine Taylor Killcarrick | Approved |
| Warrensgrove Dancer | Con O' Leary Earl's Well | Approved |
| Warrenstown Tomboy | Jess Stallard Treegrove | Approved |
| WARRI | Fiona Richardson Enniskerry | Approved |
| Warsaw Jim | Agnieszka O'Dowd Winterdown | Approved |
| Wartiesan | Emma Rose Conroy Annaharvey | Approved |
| Wasabi Warrior | Megan Delaney Friary | Approved |
| Water Boy | EMILY JANE WIDGER Woodstown | Approved |
| Water Lilly | Gerry Whyte Mosstown | Approved |
| Water Marquess | Paula O'Brien Riverside | Approved |
| Waterfall Apache | John Cantillon Earl's Well | Approved |
| Waterfall Cherry | John Cantillon Earl's Well | Approved |
| Waterfall Henry | John Cantillon Earl's Well | Approved |