| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Zarathustra | black | c | 1951 | Persian Gulf | Thoroughbred | Great Britain | ||
| 5137 Zaratustra | chestnut | f | 1975 | 3125-1 Zakaznik | 4011 Samarga | Thoroughbred | Maistrenko Stud | |
| 661 Zaratustra | d.-bay | c | 1905 | Gyufa | L'Abbesse Gallia | Thoroughbred | ||
| Zaratustra(pal) | d.-bay | c | 1991 | 0651-4 Risk | 7640 Zejfa | Thoroughbred | Put k kommunizmu Farm | |
| Zaravshan | bay | c | 1990 | 3336-1 Fazon | 5576 Zaira | Thoroughbred | Labinsk Stud | |
| Zaravshan | d.-bay | c | 1967 | 2989 Regency | 3374 Zaseka | Thoroughbred | Opytny Stud (Inst.of Horsebr) | |
| Zaraza | grey | f | 1993 | Darshaan | Zarafa | Thoroughbred | Ireland | |
| Zarbalina | bay | f | 1997 | 3521-1 Barokko | 6793 Zabytaya | Thoroughbred | Streletsk Stud | |
| 6909 Zarbazana | d.-bay | f | 1984 | 3268-1 Ezhvani | 5589 Zigma | Thoroughbred | Kullar Stud | |
| Zarbiya | light chestnut | f | 2010 | 643094100136033 | 0327-3 Bor | 1978-4 Zateika | Thoroughbred | Voskhod Stud |