| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Zontogano | chestnut | f | 1866 | Derzhi | Astart | Thoroughbred | Great Britain | |
| Zoolog | bay | c | 1999 | 3879-1 Gul | 8082-1 Zagrada | Thoroughbred | Labinsk Stud | |
| Zoolog (pal) | bay | c | 1972 | 3012 Gegemon | 3848 Zaza | Thoroughbred | Derkul Stud | |
| Zoologiia | chestnut | f | 1951 | 1586 Zagar | 1968 Geografiya 3 | Thoroughbred | Voskhod Stud | |
| 3871 Zoologiya | chestnut | f | 1967 | 2969 Gay Warrior II | 2929 Zita | Thoroughbred | Kabardinsk Stud | |
| Zoom Income | bay | f | 2018 | 643090000061738 | 0886-5 Market Euphoria | 5372-7 Zaza Zest | Thoroughbred | Volgogradsk Stud |
| Zoom Soon | bay | f | 1988 | Dominion | Mild Wind | Thoroughbred | Great Britain | |
| Zoomie | bay | f | 1965 | Pinza | Crepes Sucres | Thoroughbred | Great Britain | |
| 3177 Zoopark | bay | c | 1969 | 3025 Craighouse | 3382 Zenitza | Thoroughbred | Voskhod Stud | |
| 1177 Zoospora | bay | f | 1940 | 849 Polyus | 258 Zonetta | Thoroughbred | Essentuki Stud |