| Registered Name | Owner / Club | Status |
|---|---|---|
| Jasper John | Lisa Molloy Leitrim | Approved |
| Jasper The Chimneysweep | Gillian Carey Burren | Approved |
| Javas Barney | Joanna Kearns Benbulben | Approved |
| Javas Diva | Hazel Roe Greenvalley | Approved |
| Jay Bee | Clodagh Stapleton Clonlara | Approved |
| Jays Diamond | Zoe Brownlee Killcarrick | Approved |
| Jazz | Anne Schep South West | Approved |
| Jazz Kitty Hawk | Jenny Stringer Greenvalley | Approved |
| Jazzelle | Jill Mc Grath Foxborough | Approved |
| Jazzy Ellie | Rachel Kennedy Ard Lu | Approved |
| Jazzy Jaybird | Rachael Acton Tinahely | Approved |
| Jazzy Tyson | William Humphreys Castle Leslie | Approved |
| JBF Riverfield Luxardo | Jade Lawlor Purdy Rathfarnham | Approved |
| JBF Rosheen Diamond | Caroline Holdwright Kilrainy | Approved |
| JBS Dark Knight | Kate Dowling Ballyadams | Approved |