| Registered Name | Owner / Club | Status |
|---|---|---|
| Jailbird Hero | Chloe Marks Drynam | Approved |
| Jamal | Ann Shaw West Cork | Approved |
| James Brown | Eamonn Reddin Benbulben | Approved |
| James Rosey | James Byrne Lisduff | Approved |
| Jameson Joker | Suzanne Knight Broadmeadow | Approved |
| Jamestown Pal | Carol Quish Sarsfield | Approved |
| Jamies Boy | Nessa Maguire Meath | Approved |
| Jammal | Hazel O' Flynn Killeek | Approved |
| Jamming (IRE) | Elayne Coulston Abbeylands | Approved |
| Janes Codie | Sheena Boran Calliaghstown | Approved |
| Jango | Taylor Deane Killcarrick | Approved |
| Janie | Emma Reynolds Lakelands | Approved |
| Jaqueline | Birgit Lohmann Tynagh | Approved |
| Jasmine Van Ter Notelaere | Isabelle Rouviere Carne | Approved |
| Jasper Himself | Leanne Connell Boyneside | Approved |