| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Tarquin | chestnut | c | 1901 | The Bard | Thoroughbred | France | ||
| Tarr Road | grey | c | 1983 | Grey Dawn II | Pure Reason | Thoroughbred | USA | |
| 3404-5 Tarr Steps | bay | f | 2005 | 985101045062006 | Giant's Causeway | Tamso | Thoroughbred | Ireland |
| Tarra Bassa | bay | f | 2023 | 643090000690234 | 1339-6 Siborg | 5442-7 Tartariya | Thoroughbred | Mr. Zaynullin R.G. |
| Tarragon-mare | black | f | 1826 | Cowslip | Thoroughbred | Great Britain | ||
| Tarragona | bay | f | 1890 | Sorgho | Tebro | Thoroughbred | u Ilovajskikh | |
| Tarragona | bay | f | 1975 | Luciano | Toffana | Thoroughbred | Germany | |
| Tarragona | bay | f | 1859 | Orlando | Barcelona | Thoroughbred | Great Britain | |
| 0708-2 Tarrasa | chestnut | f | 1993 | 0022-2 Baltimor | 7470-1 Solent Breeze | Thoroughbred | Streletsk Stud | |
| Tars | bay | c | 1994 | 3647-1 Sarmat | 5310 Tamala | Thoroughbred | Beslansk Stud |