| Registered Name | Owner / Club | Status |
|---|---|---|
| Blakestown Penny | Triona Connors Riverside | Approved |
| Blanc et Noir | Aishling Bradwell Cheval | Approved |
| Blankengy Boy | Joan Allen Benbulben | Approved |
| Blathin | Jeanette Foster Clonshire | Approved |
| Blaze of Glory | Kieran Morrin Greenvalley | Approved |
| Blazes Moon Light | Caitlin Steel South West | Approved |
| Blazing Glory | Nina Scott Slieve Bloom | Approved |
| Blazing Tornado (IRE) | Jennifer French Ballycanew | Approved |
| Blennerville Scarlet | Leah Wigmore Thornton | Approved |
| Bless You Benny (IRE) | Mary O'Keeffe Thomastown and District | Approved |
| Bliss | Donie McNamara Twinfort | Approved |
| Blister | Susie Tyler Horetown | Approved |
| Blitzens Dream | Rosie Hollywood Ard Lu | Approved |
| Blizzard Beach | Cecilia Gormally Unicorn | Approved |
| Block Buster | Fiona Wood Golden Grove | Approved |