| Registered Name | Owner / Club | Status |
|---|---|---|
| Areyouforreal (IRE) | Tamara Gizzi Glenway | Approved |
| Argent Fora | Janet Creighton Greenhills | Approved |
| Argentum A | Valerie Asple Corrib | Approved |
| Aristo Cat | Bernadette Smyth Phoenix | Approved |
| Aristo Diamond | Siobhan Young Highland Lodge | Approved |
| Arizona Silver Star | Colleen McWeeney Drumcoura | Approved |
| Ark Bandito | Marie O' Brien North Cork | Approved |
| Ark Houdini | Anna O'Connell Rathfarnham | Approved |
| Ark Supreme | Kellie Adamson Rathfarnham | Approved |
| Arkade Fire | Kate Allely Solihull (BRC) | Approved |
| Arkan Creewood | Orla Sheehan Castle Leslie | Approved |
| Arkanrose | Bernie Evans Border Counties | Approved |
| Arkans Diamond | Victoria Rafter Castle Hill | Approved |
| Arkendale Bouncing Pride | Harriet Aveling Foxborough | Approved |
| Arkle | Jessica Leahy Lismore | Approved |