| Registered Name | Owner / Club | Status |
|---|---|---|
| Karlidi (USA) | Orlagh Leigh Rathfarnham | Approved |
| Kasara | Shannon Dollard Gap of the North | Approved |
| Kasbah Cruise | David Maher Old Mill | Approved |
| Kash Zowies Stardust | Amy Jo Peskens Clonough | Approved |
| Kaso Currach-Oak | Keith Jamieson Hollybrook | Approved |
| Kate Choice | Clare McCluskey Tara Hill | Approved |
| Kate Van Hall (IRE) | James Breslin Meath | Approved |
| Kate's Delight | Suzanne Arthur Burren | Approved |
| Katies Grace | Lorraine McConnon Macetown | Approved |
| Katniss Everdeen | Jason McNulty Burren | Approved |
| Kawasir (CAN) | Marina Hamilton Letterkenny | Approved |
| Kayleigh Grey | Sharon Ferrari Killossery | Approved |
| KBL Milkyway | Jo Forde Thomastown and District | Approved |
| KC Tonto | Louise Ordinaire West Coast | Approved |
| KDSL Touch of Power | Michael Freeley Greenvalley | Approved |