| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Academy Girl | bay | f | 1957 | Dark Star | Dusty Vixen | Thoroughbred | USA | |
| Acamas | c | Mill Reef | Thoroughbred | |||||
| Acamaz | chestnut | c | 1972 | 3052 Aramis | 3193 Alleya | Thoroughbred | Beslansk Stud | |
| Acambaro | c | 1996 | Goofalik | Astica | Thoroughbred | Germany | ||
| 3900-6 Acanthus | d.-bay | f | 2001 | Kris S | Alyssum | Thoroughbred | USA | |
| Acapella | bay | f | 2013 | Majestic Warrior | Kettle's Sister | Thoroughbred | USA | |
| Acarina | f | 1968 | Thoroughbred | Germany | ||||
| Acaroid | c | 1978 | Big Spruce | Thoroughbred | USA | |||
| Acatenango | chestnut | c | 1982 | Surumu | Aggravate | Thoroughbred | Germany | |
| Accada | f | Esclavo | Akita | Thoroughbred |