| Registered Name | Owner / Club | Status |
|---|---|---|
| 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 |
| Colin Clover | Roisin Ni Rioc Border Counties | Approved |
| Colins Micky Gavin | Katie Donlon Mo Chara | Approved |
| College Lad | Mary Kane Greenhills | Approved |
| Colliga Guillemot | Antonia de Burgh Coole Lane | Approved |
| Collistown Layla | Julie Cuthbert Newcastle Lyons | Approved |
| Collistown Picasso | Julie Cuthbert Newcastle Lyons | Approved |
| Collooney Lucky | Trish Duane Hollybrook | Approved |
| Colnel Rayburn (IRE) | Beverley Morgan Greenvalley | Approved |
| Color Coded Girl | Michelle Kelly Castledermot | Approved |
| Colorado | Sally Farrelly Highland Lodge | Approved |