| Registered Name | Owner / Club | Status |
|---|---|---|
| Courtown Patrick Diamond | Patricia Molloy Thomastown and District | Approved |
| Cousin Vinny (IRE) | Gillian Corcoran Sauvage Kilotteran | Approved |
| Covers Chip | Shane Carey Burren | Approved |
| Covers Mistress | Siun Goland Ballycanew | Approved |
| Cowpark Bentley | Christine Bergin Lisduff | Approved |
| Crackajack | Sue Owens Kilotteran | Approved |
| Cracker Jack The Lad | Cathy Sayers Drynam | Approved |
| Cracklin Rosey | Keith Barry Tara Hill | Approved |
| Cracklyn Rosie | Therese Dixon Springmount | Approved |
| Craggymoss | Ciara Morris Castle Carraig | Approved |
| Craigdoo Polly | Dawn Sweeney Letterkenny | Approved |
| Crannagh Clover | Kieran Walsh Castle Carraig | Approved |
| Crannagh Jessie | James Byrne Lisduff | Approved |
| Crannagh Kingdom | Jessica Healy Thomastown and District | Approved |
| Crannaghbeg Lad | Amy Parsons Milestone Lodge | Approved |