| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Treble Crown | bay | c | 1941 | King Salmon | Private Entree | Thoroughbred | Great Britain | |
| Trebor's Choice | grey | f | 1982 | Damascus | Star Strewn | Thoroughbred | USA | |
| Tredennis | chestnut | c | 1898 | Kendal | Thoroughbred | |||
| Tree Chopper | chestnut | f | 2001 | Woodman | Gazayil | Thoroughbred | USA | |
| Tree of Knowledge | bay | f | 1977 | Sassafras | Sensibility | Thoroughbred | Ireland | |
| Tree Top | bay | f | 1921 | Ultimus | Thirty-Third | Thoroughbred | ||
| 912 Tref | bay | c | 1932 | 586 Trumpf II | 336 Facan | Thoroughbred | Tersk Stud | |
| Tref | d.-bay | c | 2002 | 0239-3 Fatalist | 7650 Tigrana | Thoroughbred | chastnyi vladelec Isakov N.T. | |
| 7401 Trefa | chestnut | f | 1986 | 3197-1 Trusted | 5324 Faluna | Thoroughbred | Voskhod Stud | |
| Trefa | bay | f | 1990 | 3470-1 Faton | 6812 Trilogiya | Thoroughbred | Teberda Farm |