| Registered Name | Owner / Club | Status |
|---|---|---|
| Doncel | Katie Burns Border Counties | Approved |
| Doneel (GB) | Daria Pigla West Cork | Approved |
| Donegal Miss | Emily Hogan Slieve Bloom | Approved |
| Donegal Shylock | Victor Jones Redhills | Approved |
| Donnie Darco | Sarah Grey Knocknamana Country | Approved |
| Donnies Boy | Orla Vaughan Treegrove | Approved |
| Donnrua Diamond | Roisin Fitzgerald South West | Approved |
| Donnrua Jem | Lillie Gleeson Warrington | Approved |
| Donode Dusty Ken | Edele Horan Castledermot | Approved |
| Donogue Doctor George | Patricia Foley Killossery | Approved |
| Donohoes Diamond | Ronan Monahan Ashbrook | Approved |
| Donovan Purple Heart | Margaret Mc Grane Dundalk | Approved |
| Dont Be Shiloh | Clare Mc Inerney Highland Lodge | Approved |
| Dont Bust My Bubble | Chloe Maloney Ross House | Approved |
| Dont Forget | Rachel Gilheany Drumcoura | Approved |