| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Yuzhny Ural | bay | c | 2024 | 985141006223502 | Aloha West | Lemon Sugar | Thoroughbred | E.H. Beau Lane |
| Yuzhnyj Dar | d.-bay | c | 2013 | 0942-5 Ready Renaissance | 2728-4 Iubora | Thoroughbred | Mr Kostenko A.A. | |
| Yuzhnyy Lend | c | 2009 | 0555-4 Sensational Choice | 2706-4 Dona Habana | Thoroughbred | ErmAK Ltd Farm | ||
| Yveline | bay | f | 1913 | Gardefeu | Photime | Thoroughbred | France | |
| Yvette | bay | f | 1905 | Thoroughbred | Great Britain | |||
| Yvonne | br. | f | 1896 | Sheen | Phosphine | Thoroughbred | Great Britain | |
| Zaafira | chestnut | f | 1999 | A.P. Indy | Outstandingly | Thoroughbred | USA | |
| 3952-6 Zaahya | chestnut | f | 2009 | 985101045148418 | Shamardal | Najah | Thoroughbred | Ireland |
| Zabaad | bay | f | 1996 | Kingmambo | Skeeb | Thoroughbred | USA | |
| Zabaikalec | bay | c | 1963 | 2998 Cedric | 2933 Zrelost | Thoroughbred | Labinsk Stud |