| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| Zabaikalec | bay | c | 2005 | 643094100000757 | 0036-2 Balliol Boy | 7950-1 Zasada | Thoroughbred | Stud-farm "Stavropolskiy 170" |
| Zabaikalka Van | bay | f | 2019 | 643093300128969 | 0563-4 Gentleman's Deal | 4321-6 Malayziya Miss | Thoroughbred | Eklips Farm |