| Registered Name | Owner / Club | Status |
|---|---|---|
| Walshestown Lad | Shelia Murphy Mosstown | Approved |
| Walter | Claire Kenny Foxborough | Approved |
| Walter Mitty | Lorraine O' Connor Barry Cheval | Approved |
| Walterstown Juan | Zohra Smyth Moyglare | Approved |
| Wanganui Clover | Orlaith Mc Donnell Devils Bit | Approved |
| Wanski | James Sharpe Killcarrick | Approved |
| 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 |