| Registered Name | Owner / Club | Status |
|---|---|---|
| Coevers Emperor | Rosalind Briggs Highland Lodge | Approved |
| Cognita | Patrick Mahon Warrington | Approved |
| Coill Bhruachlain Bruno | Maria Tierney Springmount | Approved |
| Coillcru Flight | Aoife D'Arcy Greenhills | Approved |
| Coille Mor Cavalier | Patricia Farrell Kilrainy | Approved |
| Coilltedubh Henry | Kieran Morrin Greenvalley | Approved |
| Cointreau | Amanda Howard Kerry | Approved |
| Cointreau Bay | Marese McCarra Mullaghmore | Approved |
| Cointreau Toffo | Jessica O' Mahony Killcarrick | Approved |
| Cois Farraige | Sarah Lang Thomastown and District | Approved |
| Cois Laoi Rosie | Carlyn Hyde Rock of Cashel | Approved |
| Coke Cola | Barbara Quinlan Tara Hill | Approved |
| Colandro Hero | Elizabeth Robinson Killossery | Approved |
| Cold as Ice | Catherine Kelly Burren | Approved |
| Coldstream Arkonvella | Julieann Gaffney Winterdown | Approved |