| Name ▼ | Age | Gender | Owner | Actions |
|---|
| Aptitude Witch | 10 | Mare | Krajina | |
| April's Fool | 9 | Mare | Backcheck Farms | |
| April Showers | 8 | Mare | Gotapa Racing | |
| April Fooled | 20 | Mare | Final Furlong | |
| Apprintice | 16 | Mare | Stillwater Farms | |
| Appomattox | 11 | Mare | Final Furlong | |
| Appleton Gold | 12 | Mare | Final Furlong | |
| Apple Thief | 17 | Mare | Final Furlong | |
| Apple Tart | 10 | Mare | Final Furlong | |
| Apple Popover | 11 | Mare | Gant's Farm | |
| Apple Hall | 15 | Mare | Final Furlong | |
| Apple Blossom | 16 | Mare | Final Furlong | |
| Apple Amber | 10 | Mare | Cricket Hill | |
| Appeal Court | 14 | Mare | Tall Oaks Estate | |
| Apollonia | 7 | Mare | Final Furlong | |
| Apollo Queen | 14 | Mare | Final Furlong | |
| Apocryphal | 10 | Mare | Stillwater Farms | |
| Aphrodite | 21 | Mare | Starfish Stables | |
| Aoibheal | 15 | Mare | Desert Wind Farm | |
| Anything For Love | 16 | Mare | Final Furlong | |