| Registered Name | Owner / Club | Status |
|---|---|---|
| Snapshot | Tara Eastwood Lyons Glenway | Approved |
| Snookoms | Kelly Mellerick Earl's Well | Approved |
| Snoopy | Sarah Goodbody Greenvalley | Approved |
| Snowflake | Dean O'Neill Border Counties | Approved |
| Snowy | Tara Brennan Drumcoura | Approved |
| Snowy River | Fiona Carey South Roscommon | Approved |
| So Perfect Sally | Joana Wilkinson Benbulben | Approved |
| So Tell Me Harry | Mary Doyle Mill Road | Approved |
| Sock It To Me | Angela Cooke Waterford | Approved |
| Sock Monster | Aine Nolan Thomastown and District | Approved |
| Socks And Sandals | Rosemary Wentges Mo Chara | Approved |
| Sofias Girl | Karina Clarke Rathfarnham | Approved |
| Solana | Ann Toohey Friary | Approved |
| Solaro | Moira Hanaphy Drumcoura | Approved |
| Solas Lae | Paula Moriarty Carne | Approved |