| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Abyr | bay | c | 1959 | 2160 Azimut | 2880 Daugava | Thoroughbred | Issyk-Kul Stud | |
| Abyssinia II | grey | f | 1953 | Abernant | Serengeti | Thoroughbred | Great Britain | |
| Abzatz | chestnut | c | 1986 | 3282-1 Bant | 4164 Allel | Thoroughbred | Beslansk Stud | |
| Abzatz | d.-bay | c | 1988 | 3178-1 Zotos | 5949 Agra | Thoroughbred | Streletsk Stud | |
| 2146 Abzatz | chestnut | c | 1950 | 1238 Agregat | 920 Bespechnaya | Thoroughbred | Voskhod Stud | |
| 2147 Abzatz | chestnut | c | 1953 | 1267 Archer's Post | 1894 Bystraya | Thoroughbred | Streletsk Stud | |
| Abzatz | bay | c | 1974 | 3080 Zenit | 4154 Avtostrada | Thoroughbred | "Konniy Zavod imeni Pervoy Konnoi Armii" OJSC | |
| Acacia | bay | f | 2005 | Cherokee Run | Checkered Flag | Thoroughbred | USA | |
| 2773-5 Academic Queen | chestnut | f | 2001 | Royal Academy | Zitkala | Thoroughbred | USA | |
| Academy Award | chestnut | c | 1986 | Secretariat | Mine Only | Thoroughbred | USA |