| Registered Name | Owner / Club | Status |
|---|---|---|
| Winterdown Ruby | Olga Levis Killcarrick | Approved |
| Winterdown Star (IRE) | Imelda Donnelan Winterdown | Approved |
| Wipe Out | Amanda Dunne Slieve Bloom | Approved |
| Wisdom Duke | Emma O'Flynn Highland Lodge | Approved |
| Wish Upon A Star | Sophie Browne Corrib | Approved |
| Wishful | Margaret Kinsella Barrow Valley | Approved |
| Wisp Of Gold | Siobhan Cooney Glenway | Approved |
| With Ease And Dignity | Lorraine Dempsey Greenvalley | Approved |
| Without A Flinch | Claire Sinnott Carne | Approved |
| Without Doubt | Dolores O' Donovan Lismore | Approved |
| Witness Cant State | Sheela Clohessy Abbeylands | Approved |
| Wizard | Glynis Morgan Benbulben | Approved |
| Wolf Bitz | Natasha Mitchell Sarsfield | Approved |
| Wolf Pack | Natasha Mitchell Sarsfield | Approved |
| Wonder Hill | Una O'Donnell Sarsfield | Approved |