| Registered Name | Owner / Club | Status |
|---|---|---|
| Ally Harvey | Joanne Connolly Dalysgrove | Approved |
| Almier (IRE) | Melinda Morgan Nephin | Approved |
| Almost a Ginger | Julianne McEvoy Hollybrook | Approved |
| Aloha Roxy | Sophie Murphy Killeek | Approved |
| Alonzo | Jimmy Wheeler Benbulben | Approved |
| Alora Dannan | Melanie Behan Coole Lane | Approved |
| Alphaville | Liam Gaffney Winterdown | Approved |
| Already Taken | Elaine Kinsella Benbulben | Approved |
| Alright Jack | Jean Callaghan Castle Hill | Approved |
| Alright Trig | Meghan Healy Knocknamana Country | Approved |
| ALS Lady Zara | Vincent Holian Copperfield | Approved |
| Altaglushan Pride | Ruth Graham Slieve Bloom | Approved |
| Altagowian Chancer | Sandra Maher Lisduff | Approved |
| Altaskin Harley | Aoife O'Reilly Warrington | Approved |
| Altavilla Ebony Lady | Heather Jaynes Twinfort | Approved |