| I. W. (Isaac Walton) Taber | 1857–1933 | 1 |
| C. Tadulinga Mudaliyar | 1878–1954 | 1 |
| C. H. (Charles H.) Taffs | 1876–1964 | 1 |
| William H. (William Howard) Taft | 1857–1930 | 3 |
| Rabindranath Tagore | 1861–1941 | 17 |
| Surendranath Tagore | 1872–1940 | 2 |
| Hippolyte Taine | 1828–1893 | 9 |
| Eugène Talbot | 1814–1894 | 2 |
| Frederick Arthur Ambrose Talbot | 1880–1924 | 2 |
| Henry Paul Talbot | 1864–1927 | 1 |
| N. S. (Neville Stuart) Talbot | 1879–1943 | 1 |
| Talleyrand-Périgord, Charles Maurice de, prince de Bénévent | 1754–1838 | 2 |
| James E. (James Edward) Talmage | 1862–1933 | 2 |
| John Van Nest Talmage | 1819–1892 | 1 |
| T. De Witt (Thomas De Witt) Talmage | 1832–1902 | 5 |
| Maila Talvio | 1871–1951 | 1 |
| Kuuno A. TalviOja | 1865–1933 | 1 |
| Talvj | 1797–1870 | 1 |
| Manuel Tamayo y Baus | 1829–1898 | 1 |
| Angelos Tanagras | 1877–1964 | 1 |
| Xianzu Tang | 1550–1616 | 1 |
| Odd Tangerud | 1919–2010 | 11 |
| Caroline Sturgis Tappan | 1819–1888 | 1 |
| Eva March Tappan | 1854–1930 | 3 |
| Thomas Tapper | 1864–1958 | 1 |
| F. B. (Frank Bigelow) Tarbell | 1853–1920 | 1 |
| Ida M. (Ida Minerva) Tarbell | 1857–1944 | 2 |
| Jules Paul Tardivel | 1851–1905 | 1 |
| Giovanni Targioni-Tozzetti | 1863–1934 | 1 |
| Booth Tarkington | 1869–1946 | 21 |
| Percy Tarrant | 1855–1934 | 1 |
| W. G. (William George) Tarrant | 1853–1928 | 1 |
| Ignatius Taschner | 1871–1913 | 1 |
| Torquato Tasso | 1544–1595 | 2 |
| W. K. (William Knox) Tate | 1870–1917 | 1 |
| Joseph Tatlow | 1851–1929 | 1 |
| Karl August Tavaststjerna | 1860–1898 | 1 |
| Archer Taylor | 1890–1973 | 1 |
| Bayard Taylor | 1825–1878 | 8 |
| C. Bryson Taylor | born 1880 | 1 |
| David C. (David Clark) Taylor | 1871–1918 | 1 |
| Frederick Winslow Taylor | 1856–1915 | 2 |
| Henry Weston Taylor | 1881–1978 | 2 |
| James Hudson Taylor | 1832–1905 | 1 |
| John M. (John Metcalf) Taylor | 1845–1918 | 1 |
| R. W. Taylor | 1876–1914 | 1 |
| Rachel Annand Taylor | 1876–1960 | 1 |
| Richard Taylor | 1826–1879 | 1 |
| Robt. L. (Robert Love) Taylor | 1850–1912 | 1 |
| Thomas Taylor | 1758–1835 | 1 |
| Thomas N. (Thomas Nimmo) Taylor | 1873–1963 | 1 |
| Tom Taylor | 1817–1880 | 1 |
| W. (William) Taylor | 1765–1836 | 1 |
| W. C. (William Cooke) Taylor | 1800–1849 | 1 |
| Walter P. (Walter Penn) Taylor | 1888–1972 | 1 |
| William Ladd Taylor | 1854–1926 | — |
| Zachary Taylor | 1784–1850 | 1 |
| Sara Teasdale | 1884–1933 | 4 |
| Esaias Tegnér | 1782–1846 | 2 |
| Herman Teirlinck | 1879–1967 | 2 |
| Alexander Teixeira de Mattos | 1865–1921 | 13 |
| Frederick Temple | 1821–1902 | 1 |
| Temple, Richard Carnac, Sir | 1850–1931 | 1 |
| Olin Templin | 1861–1943 | — |
| Guxiang Tenggu | 1880–1919 | 1 |
| John A. Tennant | 1868–1957 | 1 |
| Tennent, James Emerson, Sir | 1804–1869 | 2 |
| John Tenniel | 1820–1914 | 2 |
| A. B. S. (Alfred Browning Stanley) Tennyson | 1878–1952 | 1 |
| Tennyson, Alfred Tennyson, Baron | 1809–1892 | 11 |
| Teresa, of Avila, Saint | 1515–1582 | 2 |
| Albert Payson Terhune | 1872–1942 | 4 |
| Lewis M. (Lewis Madison) Terman | 1877–1956 | 2 |
| Ellen Terry | 1847–1928 | 1 |
| Jean F. (Jean Finlay) Terry | 1865–1951 | 1 |
| Richard Runciman Terry | 1865–1938 | 1 |
| W. E. (Willis E.) Terry | 1921–1992 | 1 |
| J. (Johan) Tersteeg | 1873–1953 | 1 |
| Nikola Tesla | 1856–1943 | 1 |
| Carlos Testa | 1823–1891 | 4 |
| Luisa Tetrazzini | 1871–1940 | 1 |
| Walter S. Tevis | 1928–1984 | 1 |
| Edmond Texier | 1816–1887 | 1 |
| William Makepeace Thackeray | 1811–1863 | 33 |
| Octave Thanet | 1850–1934 | 1 |
| Ella Cheever Thayer | 1849–1925 | 1 |
| Harriet Maxon Thayer | 1889–1984 | — |
| S. Proctor Thayer | 1853–1909 | 1 |
| William Makepeace Thayer | 1820–1898 | 2 |
| William Roscoe Thayer | 1859–1923 | 3 |
| Lewis E. (Lewis Edwin) Theiss | 1878–1963 | 2 |
| Mr. (Lewis) Theobald | 1688–1744 | 1 |
| André Theuriet | 1833–1907 | 7 |
| G. (George) Thibaut | 1848–1914 | 2 |
| Philip Thicknesse | 1719–1792 | 2 |
| Hugo P. (Hugo Paul) Thieme | 1870–1940 | 1 |
| Adolphe Thiers | 1797–1877 | 10 |
| T. F. (Thomas Firminger) Thiselton-Dyer | 1848–1923 | 2 |
| Albrecht Thoma | 1844–1915 | 1 |
| Ludwig Thoma | 1867–1921 | 1 |
| Augustus Thomas | 1857–1934 | 2 |
| Calvin Thomas | 1854–1919 | 2 |
| Cyrus Thomas | 1825–1910 | 4 |
| Edith M. (Edith May) Thomas | 1859–1941 | 1 |
| Edward Thomas | 1878–1917 | 4 |
| Ernest Chester Thomas | 1850–1892 | 1 |
| Thomas, George, Sir | 1695–1774 | 1 |
| Jean Thomas | 1881–1982 | 1 |
| Northcote Whitridge Thomas | 1868–1936 | 1 |
| Theodore L. Thomas | 1920–2005 | 1 |
| William Isaac Thomas | 1863–1947 | 1 |
| à Kempis Thomas | 1380–1471 | 2 |
| William Henry Thomes | 1824–1895 | 1 |
| Charles Thompson | born 1833 | 1 |
| Charles Miner Thompson | 1864–1941 | 1 |
| Daniel P. (Daniel Pierce) Thompson | 1795–1868 | 2 |
| David Thompson | born 1835 | 1 |
| Donald C. Thompson | 1885–1947 | 1 |
| Edward John Thompson | 1886–1946 | 1 |
| Francis Thompson | 1859–1907 | 4 |
| G. H. (George Henry) Thompson | 1853–1953 | 1 |
| H. N. (Henry Neville) Thompson | 1861–1925 | 1 |
| Holland Thompson | 1873–1940 | 2 |
| John G. (John Gilbert) Thompson | 1862–1940 | 1 |
| L. S. (Lucy S.) Thompson | 1813–1881 | 1 |
| Maurice Thompson | 1844–1901 | 1 |
| Silvanus P. (Silvanus Phillips) Thompson | 1851–1916 | 1 |
| Slason Thompson | 1849–1935 | 2 |
| Thompson, William, Colonel | 1846–1934 | 1 |
| Thomson, A. T., Mrs. | 1797–1862 | 6 |
| Alexis Thomson | 1863–1924 | 1 |
| Basil Thomson | 1861–1939 | 1 |
| Edward William Thomson | 1849–1924 | 1 |
| H. Byerley (Henry Byerley) Thomson | 1822–1867 | 1 |
| Hugh Thomson | 1860–1920 | 1 |
| J. Arthur (John Arthur) Thomson | 1861–1933 | 2 |
| J. Pringle (James Pringle) Thomson | 1889–1916 | 1 |
| James Thomson | 1834–1882 | 1 |
| Ninian Hill Thomson | 1830–1921 | 1 |
| Henry David Thoreau | 1817–1862 | 7 |
| Ashley Horace Thorndike | 1871–1933 | 1 |
| James Frederic Thorne | born 1871 | 1 |
| Gudrun Thorne-Thomsen | born 1873 | 1 |
| William Thomas Thornton | 1813–1880 | — |
| Willard Thorp | 1899–1990 | 1 |
| Benjamin Thorpe | 1782–1870 | 1 |
| Clarence De Witt Thorpe | born 1887 | 1 |
| Three Initiates | 1862–1932 | 1 |
| Thring, Henry Thring, Baron | 1818–1907 | — |
| Thomas G. (Thomas George) Thrum | 1842–1932 | 1 |
| Thure de Thulstrup | 1848–1930 | 1 |
| Violetta Thurstan | 1879–1978 | 1 |
| E. Temple (Ernest Temple) Thurston | 1879–1933 | 1 |
| I. T. (Ida Treadwell) Thurston | 1848–1918 | 2 |
| Katherine Cecil Thurston | 1875–1911 | 3 |
| Zoltán Thury | 1870–1906 | 1 |
| Augustus J. Thébaud | 1807–1885 | 1 |
| Thérèse, de Lisieux, Saint | 1873–1897 | 1 |
| Josiah Blake Tidwell | 1870–1946 | 2 |
| Dorothea Tieck | 1799–1841 | 2 |
| Ludwig Tieck | 1773–1853 | — |
| Eunice Tietjens | 1884–1944 | 1 |
| J. H. (John Henry) Tilden | 1851–1940 | 1 |
| William T. (William Tatem) Tilden | 1893–1953 | 1 |
| Mary Wilder Tileston | 1843–1934 | 1 |
| F. C. (Frederick Colin) Tilney | 1870–1951 | 3 |
| George Henry Tilton | born 1845 | 1 |
| Elizabeth Weston Timlow | 1861–1931 | 1 |
| Felix Timmermans | 1886–1947 | 1 |
| Henry Timrod | 1828–1867 | 1 |
| Katherine Augusta Westcott Tingley | 1847–1929 | 1 |
| Chauncey Brewster Tinker | 1876–1963 | 2 |
| Léon de Tinseau | 1844–1921 | 2 |
| Henry C. Tinsley | 1834–1902 | 1 |
| Albert Tissandier | 1839–1906 | 1 |
| Gaston Tissandier | 1843–1899 | 1 |
| S. A. D. (Samuel Auguste David) Tissot | 1728–1797 | 1 |
| Victor Tissot | 1845–1917 | 1 |
| Walter Tittle | 1883–1966 | 1 |
| Otto Tiuppa | 1872–1914 | 1 |
| Alexis de Tocqueville | 1805–1859 | 4 |
| Mabel Loomis Todd | 1856–1932 | 3 |
| I. (Isaac) Todhunter | 1820–1884 | 1 |
| John Todhunter | 1839–1916 | 1 |
| Aurelio Tolentino | 1867–1915 | 1 |
| Nicolau Tolentino | 1740–1811 | 1 |
| L. M. Tolman | born 1875 | 1 |
| Tolstoi, Ilia Lvovich, graf | 1866–1933 | 1 |
| Tolstoy, Leo, graf | 1828–1910 | 30 |
| Rudolf Tombo | 1875–1914 | 1 |
| Floyd W. (Floyd Williams) Tomkins | 1850–1932 | 1 |
| Everett T. (Everett Titsworth) Tomlinson | 1859–1931 | 1 |
| H. M. (Henry Major) Tomlinson | 1873–1958 | 2 |
| Paul G. (Paul Greene) Tomlinson | born 1888 | 1 |
| Herbert W. (Herbert Winckworth) Tompkins | born 1867 | 1 |
| Mary Van Arsdale Tongue | born 1891 | 1 |
| William Wallace Tooker | 1848–1917 | 1 |
| Frederick R. Toombs | born 1879 | 1 |
| Jean Toomer | 1894–1967 | 1 |
| Zacharias Topelius | 1818–1898 | 3 |
| Charles Torquet | 1864–1938 | 1 |
| Carlos Arturo Torres | 1867–1911 | 1 |
| Bradford Torrey | 1843–1912 | 1 |
| Totius | 1877–1953 | 1 |
| Gustave Toudouze | 1847–1904 | 1 |
| Paul Jean Toulet | 1867–1920 | 2 |
| Albion Winegar Tourgée | 1838–1905 | 1 |
| Mary Tourtel | 1874–1948 | 1 |
| T. F. (Thomas Frederick) Tout | 1855–1929 | 1 |
| G. B. N. (George Bates Nichols) Tower | 1834–1889 | 1 |
| Walter Kellogg Towers | 1888–1931 | 1 |
| Andrzej Towianski | 1799–1878 | 1 |
| George M. (George Makepeace) Towle | 1841–1893 | 2 |
| Charles Hanson Towne | 1877–1949 | 1 |
| Elizabeth Towne | 1865–1960 | 1 |
| E. J. (Edgar Jerome) Townsend | 1864–1955 | 1 |
| F. H. (Frederick Henry) Townsend | 1868–1920 | 3 |
| George Alfred Townsend | 1841–1914 | 5 |
| George Fyler Townsend | 1814–1900 | 1 |
| Hannah Townsend | 1812–1851 | 1 |
| Mary Townsend | 1814–1851 | 1 |
| Mary Ashley Townsend | 1832–1901 | 1 |
| W. J. (William John) Townsend | 1835–1915 | — |
| Arnold Toynbee | 1889–1975 | 2 |
| A. W. (Aiden Wilson) Tozer | 1897–1963 | 1 |
| Alfred M. (Alfred Marston) Tozzer | 1877–1954 | 1 |
| Louis Tracy | 1863–1928 | 10 |
| Hannah Trager | 1870–1943 | 1 |
| Catharine Parr Strickland Traill | 1802–1899 | 5 |
| H. D. (Henry Duff) Traill | 1842–1900 | 2 |
| Arthur Cheney Train | 1875–1945 | 7 |
| Katrina Trask | 1853–1922 | 1 |
| Stuart Travis | 1868–1942 | 1 |
| Frederic George Trayes | born 1871 | 1 |
| Siegfried Trebitsch | 1869–1956 | 3 |
| Heinrich von Treitschke | 1834–1896 | 1 |
| Richard Chenevix Trench | 1807–1886 | 2 |
| Trenck, Friedrich, Freiherr von der | 1726–1794 | 2 |
| Robert Tressell | 1870–1911 | 1 |
| Hector Treub | 1856–1920 | 1 |
| George Otto Trevelyan | 1838–1928 | 1 |
| Geo. H. (George Henry) Trever | born 1857 | 1 |
| Virginia Treves | 1849–1916 | 1 |
| André Tridon | 1877–1922 | 1 |
| Henry Trimen | 1843–1896 | — |
| Ralph Waldo Trine | 1866–1958 | 3 |
| Anthony Trollope | 1815–1882 | 62 |
| Frances Milton Trollope | 1780–1863 | 1 |
| Thomas Adolphus Trollope | 1810–1892 | 2 |
| Leon Trotsky | 1879–1940 | 1 |
| I. Lilias (Isabella Lilias) Trotter | 1853–1928 | 2 |
| Isabella Strange Trotter | 1816–1878 | 1 |
| T. (Thomas) Troward | 1847–1916 | 5 |
| J. T. (John Townsend) Trowbridge | 1827–1916 | 2 |
| John Preston True | 1859–1933 | 1 |
| Antonio de Trueba | 1819–1889 | 1 |
| Thomas C. (Thomas Clarkson) Trueblood | 1856–1951 | 1 |
| Howard Trueman | 1837–1908 | 1 |
| Harry S. Truman | 1884–1972 | 1 |
| H. Clay (Henry Clay) Trumbull | 1830–1903 | 1 |
| J. Hammond (James Hammond) Trumbull | 1821–1897 | 1 |
| John Trusler | 1735–1820 | 1 |
| H. Trusta | 1815–1852 | 1 |
| Sojourner Truth | 1797–1883 | 1 |
| Joaquín Tuason | 1843–1908 | 2 |
| Benjamin Ricketson Tucker | 1854–1939 | 1 |
| George Tucker | 1775–1861 | 1 |
| T. G. (Thomas George) Tucker | 1859–1946 | 2 |
| Bayard Tuckerman | 1855–1923 | 1 |
| William Tuckwell | 1829–1919 | 2 |
| John Tulloch | 1823–1886 | 1 |
| Joseph P. (Joseph Patrick) Tumulty | 1879–1954 | 1 |
| Tuotuo | 1313–1355 | 1 |
| Ferdinand Brock Tupper | 1795–1874 | 1 |
| Martin Farquhar Tupper | 1810–1889 | 7 |
| Tristram Tupper | 1884–1954 | — |
| Ivan Sergeevich Turgenev | 1818–1883 | 19 |
| Charles Turley | 1868–1940 | 1 |
| Margaret Turnbull | 1872–1942 | 1 |
| Dawson Turner | 1775–1858 | 2 |
| Ethel Turner | 1870–1958 | 2 |
| Frederick Jackson Turner | 1861–1932 | 3 |
| J. M. W. (Joseph Mallord William) Turner | 1775–1851 | 1 |
| Nancy Byrd Turner | 1880–1971 | 1 |
| Edna Henry Lee Turpin | 1867–1952 | 2 |
| F.-R. de (Fr.-Richard) Tussac | 1786–1827 | 1 |
| Cornelia L. (Cornelia Louisa) Tuthill | 1820–1870 | 1 |
| Edmund B. (Edmund Bostwick) Tuttle | 1815–1881 | 1 |
| Titia Klasina Elisabeth van der Tuuk | 1854–1939 | 1 |
| Mark Twain | 1835–1910 | 153 |
| Arthur Twidle | 1865–1936 | 3 |
| Richard Twiss | 1747–1821 | 1 |
| Richard Ernest Nowell Twopeny | 1857–1915 | 1 |
| James Endell Tyler | 1789–1851 | 3 |
| John Tyler | 1790–1862 | 1 |
| John M. (John Mason) Tyler | 1851–1929 | 1 |
| Lyon Gardiner Tyler | 1853–1935 | 1 |
| Royall Tyler | 1757–1826 | 1 |
| Charles Tylor | 1816–1902 | 1 |
| Edward B. (Edward Burnett) Tylor | 1832–1917 | 1 |
| Katharine Tynan | 1861–1931 | 2 |
| John Tyndall | 1820–1893 | 3 |
| Griswold Tyng | 1883–1962 | 1 |
| Chas. A. (Charles Alfred) Tyrrell | 1846–1918 | 1 |
| George Tyrrell | 1861–1909 | 1 |
| Edward Tyson | 1650–1708 | 1 |
| Sarah Tytler | 1827–1914 | 5 |
| Emanuel Törmälä | 1849–1900 | 1 |
| C. Edv. Törmänen | 1855–1880 | 1 |