| Registered Name | Owner / Club | Status |
|---|---|---|
| Clavanstown Lass | Colleen Moffett Border Counties | Approved |
| Clay Rockfield | Caroline Keville Mullingar | Approved |
| Clear Rock (IRE) | Mandy Kirwan Riverside | Approved |
| Cleggan's George | Joyce Dempsey Hollybrook | Approved |
| Cleo Clover | Maire McGreevy Moyglare | Approved |
| Cleopatra Courcel | Joe Carroll Annaharvey | Approved |
| Cleopatra Legend | Siobhan Young Highland Lodge | Approved |
| CLH Sugar and Spice | Sofie Gundersen Westport | Approved |
| Clibog Diamaint | Dermot Goode Tynagh | Approved |
| Cliff | Hazel Tuthill Drumcoura | Approved |
| Cliona Clover | Ken Lowry Springmount | Approved |
| Clionas Clover Surprise | Margo Barrow Stracomer | Approved |
| Clocha Diamond | Jayne Kidd Ashbrook | Approved |
| Clochbhui Rose | Niamh Smyth West Cork | Approved |
| Clogher Countess | Mary Farrell Barrow Valley | Approved |