| Name ▲ | Age | Gender | Owner | Actions |
|---|---|---|---|---|
| Zoo Tycoon | 4 | Mare | AllegroThoroughbreds | View |
| Zooey Zephyr | 3 | Filly | Gintara Lodge | View |
| Zoomaway | 8 | Mare | Ivy Creek Farm | View |
| Zoroaster | 7 | Stallion | New Boston Stables | View |
| Zorro Rides Again | 6 | Mare | Gant's Farm | View |
| Zphinx | 8 | Stallion | Ivy Creek Farm | View |
| Zulfiqar | 9 | Mare | Tall Oaks Estate | View |
| Zulu | 4 | Stallion | Dreadnought | View |
| Zuperior | 8 | Stallion | Ivy Creek Farm | View |
| Zvezda | 5 | Mare | Fair Isle Farm | View |
| Zwodder | 10 | Mare | Gant's Farm | View |
| Zyrtec | 4 | Mare | Marshall Creek Ranch | View |
| Zürich | 9 | Stallion | Final Furlong | View |
| won in Spirit | 4 | Mare | Generous Bloodstock | View |
| Ärtsoppa | 3 | Filly | Cricket Hill | View |
| Énbarr | 7 | Stallion | Krajina | View |
| Étoile | 4 | Mare | Black Storm West | View |
| Łańcut | 7 | Gelding | Krajina | View |