| Registered Name | Owner / Club | Status |
|---|---|---|
| Convoys Bernies Delight | Corinna Gilsenan Tara Hill | Approved |
| Coober Pedy | Aisling McGrath Corrib | Approved |
| Cooga Lady | Rachel Barton Three Counties | Approved |
| Coogee Sonny | Sarah Jane Weissenbach Thomastown and District | Approved |
| Cookie Can | John Whelan Carne | Approved |
| Cookie Crumbles | Michelle O' Reilly Mullingar | Approved |
| Cookie Dough | Unknown | Approved |
| Cookie of Fortune | Erin Fergus Stracomer | Approved |
| Cookies Moon Light | Jillian Cooper Barnacarroll | Approved |
| Cookstown Duchess | Carol Ann O' Neill Barrow Valley | Approved |
| Cool Blue Milly | Laura Cornett Castle Leslie | Approved |
| Cool Cavatina | Orla Owens Mosstown | Approved |
| Cool Diamond Star | Kara Cullinane Waterford | Approved |
| Cool Runnings | Margaret Manning East Cork | Approved |
| Cool Runnings Masterpiece | Michael Heffernan Dunamase | Approved |