| Registered Name | Owner / Club | Status |
|---|---|---|
| AOC Quality Sarah | Alanna Williams Arderin | Approved |
| AOD Ares | Aidan O'Donovan Earl's Well | Approved |
| Aod Zeus | Aidan O'Donovan Earl's Well | Approved |
| Aoibhneas | Nicole Danaher Clonshire | Approved |
| Aoifes Choice | Kevin O'Brien Coolbell | Approved |
| Apache Cream | Mark Cassidy Brooke Lodge | Approved |
| Apache Flash | Louise Scott Slieve Bloom | Approved |
| Apache Hammy (IRE) | Declan Leamy Golden Grove | Approved |
| Apache III | Lizzy Naughton Round Tower | Approved |
| Apache Pinto | Shane McKenna Unicorn | Approved |
| Apache V/D Lange Vos | Grainne Murphy Unicorn | Approved |
| Apachi | Margaret Manning East Cork | Approved |
| Aphrodite Orca Phoenix | Andrew Thornton Killegar | Approved |
| Apollo | Laura Doyle Mullingar | Approved |
| Apollo 13 | Rachel Gilheany Drumcoura | Approved |