| Registered Name | Owner / Club | Status |
|---|---|---|
| Comograaf | Vanessa O'Sullivan South West | Approved |
| Comondo Z | Padraig Quinn Rock of Cashel | Approved |
| Comrad Coevers Diamond | Cathal O' Malley Springmount | Approved |
| Concordes Cruise Queen | Jack Martin Greenhills | Approved |
| Condors Lucky Star | Anne Chambers Letterkenny | Approved |
| Conella | Naomi Shairp Golden Grove | Approved |
| Coneyview Clyde | Gwen Draper Benbulben | Approved |
| Congratulations | Colleen Donnelly Brooke Lodge | Approved |
| Congress Flush | Kevin O'Brien Coolbell | Approved |
| Connemara Breeze | Samuel Lydon Glynn Corrib | Approved |
| Connemara Pony Register | Avril Kelly Foxborough | Approved |
| Connery | Margaret Kinsella Corrib | Approved |
| Connie Cassero | Emily Vial Clonshire | Approved |
| Cono My Boy | Reidin Coughlan Kerry | Approved |
| Conor Pass Lady | Marguerite Curtis Brittas | Approved |