| Take Your Partner | 1982 | Hyperion系 |
| Tamayuz | 2005 | Mr. Prospector系 |
| Tamerlane | 1952 | Blandford系 |
| Tanerko | 1953 | Teddy系 |
| Tantieme | 1947 | Teddy系 |
| Tapit | 2001 | Bold Ruler系 |
| Targui | 1946 | Djebel系 |
| Tartar | 1743 | Herod系 |
| Tatan | 1952 | Fairway系 |
| Teddy | 1913 | Bend Or系 |
| Tehran | 1941 | Bois Roussel系 |
| Teleferique | 1934 | The Tetrarch系 |
| Tale of the Cat | 1994 | Storm Bird系 |
| (アラ) Telmese | 1903 | Arab父系 |
| Temperence Hill | 1977 | Hail to Reason系 |
| Tenaraze | 1953 | Tourbillon系 |
| Tenerani | 1944 | St. Simon系 |
| Tetratema | 1917 | The Tetrarch系 |
| (アア) Thailand | 1964 | Arab父系 |
| (アア) Thalian | 1960 | Arab父系 |
| Thatch | 1970 | Hyperion系 |
| Theatrical | 1982 | Nureyev系 |
| The Axe | 1958 | Blenheim系 |
| The Baron | 1842 | Pot 8 o's系 |
| The Bart | 1976 | Wild Risk系 |
| The Boss | 1910 | Bend Or系 |
| The Cobbler | 1945 | Blandford系 |
| The Emperor | 1841 | Pot 8 o's系 |
| The Flying Dutchman | 1846 | Herod系 |
| The Libel | 1842 | Herod系 |
| The Marquis | 1859 | Pot 8 o's系 |
| The Minstrel | 1974 | Northern Dancer系 |
| Theo Bold | 1907 | King Fergus系 |
| The Pelican | 1937 | Pharos系 |
| The Phoenix | 1940 | Bend Or系 |
| The Pie King | 1951 | Fair Trial系 |
| The Poter | 1915 | Pot 8 o's系 |
| The Pruner | 1967 | Son-in-Law系 |
| The Rhymer | 1938 | Swynford系 |
| The Rover | 1874 | Pot 8 o's系 |
| The Solicitor | 1941 | Fair Trial系 |
| The Tetrarch | 1911 | Herod系 |
| The Wonder | 1978 | Prince Bio系 |
| The Yuvaraj | 1943 | Fairway系 |
| Thomanby | 1857 | Herod系 |
| Three Legs | 1972 | Fair Trial系 |
| Thrush | 1902 | Bend Or系 |
| Ticino | 1939 | Pot 8 o's系 |
| Time for a Change | 1981 | Teddy系 |
| Timoleon | 1814 | Herod系 |
| Tom Fool | 1949 | Pharamond系 |
| Tom Rolfe | 1962 | Ribot系 |
| Top Hat | 1910 | Matchem系 |
| Topsider | 1974 | Northern Dancer系 |
| Top Ville | 1976 | Dante系 |
| Torloisk | 1912 | Pot 8 o's系 |
| Tornado | 1939 | Tourbillon系 |
| Touch Gold | 1994 | Northern Dancer系 |
| Touchstone | 1831 | Pot 8 o's系 |
| Touchwood | 1941 | St. Simon系 |
| Toulouse Lautrec | 1950 | Dante系 |
| Tourbillon | 1928 | Herod系 |
| Tout Change | 1934 | St. Simon系 |
| Toxphilite | 1855 | Pot 8 o's系 |
| Tracery | 1909 | Pot 8 o's系 |
| Traducer | 1857 | Herod系 |
| Traffic Judge | 1952 | Hyperion系 |
| Tramp | 1810 | Eclipse系 |
| Transcendent | 1921 | Pot 8 o's系 |
| Tredennis | 1898 | Bend Or系 |
| Treclear | 1915 | Bend Or系 |
| Trictrac | 1962 | Brantome系 |
| Trimdon | 1926 | Son-in-Law系 |
| Trippi | 1997 | Mr. Prospector系 |
| Tropique | 1952 | Tourbillon系 |
| Troy | 1976 | Fair Trial系 |
| Trumpator | 1782 | Matchem系 |
| Trumpeter | 1856 | Pot 8 o's系 |
| Trustee | 1829 | Eclipse系 |
| Tryant | 1885 | Eclipse系 |
| Tudor Melody | 1956 | Owen Tudor系 |
| Tudor Minstrel | 1944 | Owen Tudor系 |
| Tulyar | 1949 | Bois Roussel系 |
| Tunerup | 1976 | Son-in-Law系 |
| Turkaris | 1944 | Blandford系 |
| Turkhan | 1937 | Blandford系 |
| Turn-to | 1951 | Royal Charger系 |
| Twig Moss | 1973 | Clarion系 |
| Tyrant | 1966 | Bold Ruler系 |