| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Aileen | chestnut | f | 1918 | Nimbus | Yveline | Thoroughbred | France | |
| Ailend-Fols | bay | c | 2002 | 0197-2 Freedom Run | 0044-2 Astrologiya | Thoroughbred | Zgara K.K. | |
| Ailender | bay | c | 2006 | 643098100043102 | 0473-4 Street Poker | 1427-3 Adel | Thoroughbred | Praskoveiskoe Farm |
| Aim for the Moon | bay | f | 1998 | Deputy Minister | Amo | Thoroughbred | USA | |
| Aimee | bay | f | 1957 | Tudor Minstrel | Emali | Thoroughbred | Great Britain | |
| Aiming High | grey | f | 1958 | Djebe | Annie Oakley | Thoroughbred | USA | |
| Ain't She Awesome | d.-bay | f | 2000 | Awesome Again | Primarily | Thoroughbred | USA | |
| Aina | d.-bay | f | 2003 | 3838-1 Afon | 1384-3 Angliya | Thoroughbred | Mr. Kardanov A.M. | |
| 2601-4 Ainura | bay | f | 2001 | 643094100001084 | 3510-1 White Reef | 4943-1 Amfiara | Thoroughbred | Mr Chotchaev A.A. |
| Aioga | d. chest. | f | 2006 | 3749-1 Observation Post | 1530-3 Aelita | Thoroughbred | Mr. Kalmykov G.N. |