| Registered Name | Owner / Club | Status |
|---|---|---|
| Boos Cobracabana | Dawn Griffin Highland Lodge | Approved |
| Boos Coo Coo Ca Choo | Dawn Griffin Highland Lodge | Approved |
| Boothouse Cruise | Heather Twomey Highland Lodge | Approved |
| Bootilicious | Mary Bradley Kerry | Approved |
| Boots | Niamh Campbell Ashbrook | Approved |
| Bootylicious KH | Clare Lonergan Unicorn | Approved |
| Bop To The Beat | Catherine Killeen Warrington | Approved |
| Borachio | Ciara Kelly Castledermot | Approved |
| Borahard Biscuit | Emma Downey Dunbyrne | Approved |
| Border Scout | Marta McCloskey Ard Lu | Approved |
| Boreen Quality | Marta Sheridan Rathangan | Approved |
| Boreen Quantico | Marta Sheridan Rathangan | Approved |
| Boreen Valkyrie | Francis Downes Rathangan | Approved |
| Boris Zieg | Margaret Scott Greenhills | Approved |
| Born a Chancer | Carmel Smith Lakelands | Approved |