- Tacitus, Cornelius – Roman historian & politician
- Tagore, Rabindranath – Indian educator & Bengali poet
- Taitz, Sonia
- Tallentyre, S. G.
- Talmud, Babylonian
- Talmud, The
- Tammeus, Bill
- Tan, Amy – American novelist
- Tanenbaum, Andrew S.
- Tannen, Deborah
- Tarkington, Booth – American novelist
- Tatum, Mike
- Tayler, Howard
- Taylor, Bayard
- Taylor, Bert Leston
- Taylor, Bill
- Taylor, Elizabeth – British movie actress
- Taylor, Harold
- Taylor, Jeremy – English prelate
- Taylor, Sir Henry
- Taylor, Terry Lynn
- Taylor, W. N.
- Teale, Edwin
- Teasdale, Sara – American poet
- Tec, Leon
- Teller, Edward – American (Hungarian-born) physicist
- Temple, Shirley – American actress, dancer, & diplomat
- Tencin, Madame de
- Tennyson, Lord Alfred – English poet
- Terence – Roman comic dramatist
- Tertullianus, Quintus Septimius – Carthaginian church father
- Tesla, Nikola – American (Serbian-born) electrical inventor
- Tessieri, Enrique
- Thackeray, William Makepeace – English novelist
- Thales – Greek philosopher & scientist
- Thatcher, Margaret – British politician
- Thaxter, Celia
- Theatre, Firesign
- Theisen, Kathleen Casey
- Theismann, Joe
- Themistocles – Greek general & politician in Athens
- Theocritus of Chios – Greek poet
- Theophrastus – Greek botanist, humorist, & naturalist
- Theron, Charlize
- Theroux, Paul – American novelist
- Theroux, Phyllis
- Thoele, Sue Patton
- Thomas, Clarence – American administrator & lawyer
- Thomas, David
- Thomas, Dylan – Welsh poet
- Thomas, Edward
- Thomas, Frank
- Thomas, Lewis – American author, biologist, physician
- Thomas, Marlo
- Thomas, Norman – American socialist politician
- Thomas, Vincent
- Thompson, C. V. R.
- Thompson, Dorothy – American journalist
- Thompson, Francis – English poet
- Thompson, Fred
- Thompson, Hunter S. – American journalist
- Thompson, Joseph P.
- Thompson, Tom
- Thompson, W. H.
| - Thomson, J. Arthur
- Thomson, James
- Thomson, Virgil – American composer, conductor, & music critic
- Thoreau, Henry David – American Transcendentalist author
- Thorpe, James – American football player & track athlete
- Throop, Kelvin III
- Thucydides – Greek historian
- Thurber, James – American author, cartoonist, humorist, & satirist
- Thurman, Howard
- Tiberius – Roman emperor 014-037 & general
- Tibolt, Frank
- Tiegs, Cheryl – American actress & model
- Tikkanen, Henrik
- Tillich, Paul – American (German-born) Protestant theologian
- Tillman, Henry J.
- Tillotson, John – English prelate
- Timrod, Henry
- Ting-Fang, Wu
- Tober, Barbara
- Tobler, E. Catherine
- Toffler, Alvin
- Tolkien, J. R. R. – British scholar & fantasy novelist
- Tolle, Eckhart
- Tolstoy, Leo – Russian mystic & novelist
- Tomlin, Lily – American actress & comedienne
- Tooker, George
- Tournier, Paul
- Townsend, Marchioness
- Townsend, Robert
- Toynbee, Arnold – English historian & historical philosopher
- Tredwell-Owen, Caspian
- Trevelyan, G. M. – British historian
- Trillin, Calvin – American columnist
- Trimble, Aaron Douglas
- Trinh, Trieu Thi
- Trollope, Anthony – English novelist
- Trotsky, Leon – Russian Soviet politician & Communist revolutionary
- Trout, Kilgore
- Trudeau, Garry – American cartoonist
- Trudeau, Margaret
- Trudeau, Pierre – Canadian politician
- Truman, Harry S – 33rd president of US
- Trump, Donald – American real estate construction & development businessman
- Trump, Matthew
- Truth, Sojourner – American abolitionist
- Tryon, Edward P.
- Tucker, Judge Gideon J.
- Tucker, Sophie – American (Russian-born) vaudeville singer
- Tudor, John
- Tupper, Martin Fraquhar
- Turgenev, Ivan S.
- Turing, Alan – English logician & mathematician
- Turner, Dale E.
- Turner, Ted
- Turner, Tina – American singer
- Tusser, Thomas
- Twain, Mark – American humorist, novelist, short story author, & wit
- Tyger, Frank
- Tyler, Anne – American novelist
- Tyler, Willie
- Tynan, Kenneth
- Tyson, Cicely
- Tzu, Lao – Chinese philosopher
- Tzu, Sun – Chinese general & military strategist
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