| Registered Name | Owner / Club | Status |
|---|---|---|
| Zazu Van Terhofstede | Suzi Connole Foxborough | Approved |
| Zebe D Rover | Renee Patience Westport | Approved |
| Zebidee | Julie Mullarky Castle Leslie | Approved |
| Zebo | Wendy Cooney Tara Hill | Approved |
| Zee | Tara Louise Creighton Foxborough | Approved |
| Zeedam De Royale | Conrad McGuinness Gap of the North | Approved |
| Zephyr | Naomi Fisher Foxborough | Approved |
| Zigali P.S. (KWPN) | Liam Gaffney Winterdown | Approved |
| Zinnicq | Rosario Kelly Killcarrick | Approved |
| Zippidee Doo Dah | Sinead Fenton Mosstown | Approved |
| Ziva Galway | Severine Ray Corrib | Approved |
| Zoega | Marie Sterner Corrib | Approved |
| Zoon Van Tyson | Catriona Sheehan Clonshire | Approved |
| Zuma | Mandy Knigge Ballycanew | Approved |
| Zwota | Amy Jo Peskens Clonough | Approved |