| Registered Name | Owner / Club | Status |
|---|---|---|
| Wild About Rain | Enda Collier Pratt Foxborough | Approved |
| Wild Atlantic Candy | Lorraine Kennedy Annaharvey | Approved |
| Wild Child | Mark Ward Tir Conaill | Approved |
| Wild Domaine | Jennifer Denny Mill Road | Approved |
| Wild Duchess | Jennifer Denny Mill Road | Approved |
| Wilderwood Chilled Porter | Lisa McLaughlin O'Brien Ashbrook | Approved |
| Wilderwood Midnight Empress | Sharon Nye South West | Approved |
| Wildwood Pearl | Janice Clarke Ard Lu | Approved |
| Wilhelmina Q | Sarah Kelly Drake Rathangan | Approved |
| William | Jacqueline O'Brien Cheval | Approved |
| William's Hero | Ximena Hamer Barnacarroll | Approved |
| William's Nephew (IRE) | John Joe Grace Slieve Bloom | Approved |
| Williamstown Fella | Debbie Kelly Mo Chara | Approved |
| Williamstown Lad | Christine Hawkins Killossery | Approved |
| Willow Diamond | Gwen Draper Benbulben | Approved |