| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Yersey | 5 | Stallion | Fair Isle Farm | |
| Yes But No | 2 | Filly | Clicker Lab | |
| Yes I Can | 12 | Mare | Final Furlong | |
| Yes It's Now | 14 | Stallion | Final Furlong | |
| Yes Ma'am | 4 | Mare | Ivy Creek Farm | |
| Yes Yes | 10 | Stallion | Final Furlong | |
| Yesterday | 3 | Colt | Gotapa Racing | |
| Ygritte | 8 | Mare | Final Furlong | |
| Yodeling Ranger | 8 | Stallion | Final Furlong | |
| Yojimbo | 5 | Stallion | Gant's Farm | |
| Yokai | 4 | Stallion | New Boston Stables | |
| Yokozuna | 10 | Stallion | Gant's Farm | |
| Yondu | 3 | Colt | Coleman Branch | |
| Yorath | 7 | Stallion | Final Furlong | |
| Yorba Linda | 5 | Stallion | Gant's Farm | |
| York | 5 | Stallion | Krajina | |
| Yorktown | 5 | Filly | Gant's Farm | |
| Yoshinogawa | 7 | Stallion | Gant's Farm | |
| You Can't Follow | 5 | Stallion | Kismet Thoroughbreds | |
| You Choose | 2 | Colt | Gintara Lodge | |