| Registered Name | Owner / Club | Status |
|---|---|---|
| Arklo | Paula Tracy Annaharvey | Approved |
| Arklow Honey | Vanessa Fogarty Clonough | Approved |
| Arkx | Tara Lee Foxborough | Approved |
| Arlando Bloom | Deirdre Raleigh Annaharvey | Approved |
| Arless | Demelza Heraty Westport | Approved |
| Armani Gold | Ziggy Morrissey Horetown | Approved |
| Armchair | David Kelly Galway | Approved |
| Armstrong | Damien Gallagher Letterkenny | Approved |
| Arnelle Azerbaidjan | CLAIRE DE RIDDER Moyglare | Approved |
| Arraghbeg Luidam | Jan Boons Slieve Bloom | Approved |
| Arraghbeg Welcome | Agata Leonard Slieve Bloom | Approved |
| Arraghslea Socks | Frances Mulcahy Unicorn | Approved |
| Arrow | Jason Coughlan Russellstown | Approved |
| Arrow Silver Crest | Danielle Stewart Donegal Gaeltacht | Approved |
| Art | Gay Parkinson Calliaghstown | Approved |