| William Stafford (scrittore 1593) | William Stafford (scrittore 1914) | William Stafford (spia) |
| William Standish Knowles | William Stanhope | William Stanhope, II conte di Harrington |
| William Stanier | William Stanley | William Stanley (1435-1495) |
| William Stanley Baker | William Stanley Haseltine | William Stanley Humphries |
| William Stanley Jevons | William Stanley Merwin | William Stanley Milligan |
| William Stanley Zmitrowicz | William Stanley, IX conte di Derby | William Stanley, VI conte di Derby |
| William Stansbury Thompson | William Stark | William Starke Rosecrans |
| William Steel | William Steig | William Stein |
| William Steinberg | William Steinitz | William Steinkraus |
| William Stephan Gilly | William Stephen Arnsparger | William Stephen Belichick |
| William Stephen Finsen | William Stephen Gilly | William Stephen Skylstad |
| William Stephen Whitelaw | William Stephens | William Stephens (politico 1671) |
| William Stephens Donne | William Stephenson | William Stepney Rawson |
| William Sterling Hamilton | William Stern | William Sterndale Bennett |
| William Steve Southerland II | William Steven Power | William Stevenson |
| William Stevenson (atleta) | William Stevenson (disambigua) | William Stewart |
| William Stewart (canottiere) | William Stewart (ciclista) | William Stewart (hockeista su ghiaccio) |
| William Stewart Chalmers | William Stewart Halsted | William Stewart Rose |
| William Stickney | William Still | William Stimpson |
| William Stoddard | William Stokes | William Stokoe |
| William Storrock Maxwell | William Stowe | William Stowell |
| William Strachey | William Strang | William Strang, I Barone Strang |
| William Stravato | William Street | William Street (politico) |
| William Strickland | William Stringfellow | William Stromberg |
| William Strunk | William Strutt | William Stryker |
| William Stuart Adamson | William Stuart Campbell | William Stukeley |
| William Sturgeon | William Styron | William Sublette |
| William Suff | William Suida | William Sullivan Gosling |
| William Sulzer | William Summerlin | William Sunsing |
| William Sunsing Hidalgo | William Surles McArthur | William Surrey Hart |
| William Susman | William Sutton | William Swainson |
| William Sweet | William Swenson | William Sydney Porter |
| William Sydney Porter Henry | William Syer Bristowe | William Sylvester |
| William Symonds | William T. Anderson | William T. Barry |
| William T. Carleton | William T. Riker | William T. Sampson |
| William T. Santschi | William T. Sherman | William T. Stead |
| William T. Stromberg | William T. Vollmann | William Tackaert |
| William Taft | William Talbert | William Talman |
| William Talman (architetto) | William Talman (attore) | William Tannen |
| William Tannen (attore) | William Tanner Vollmann | William Tans'ur |
| William Tansur | William Tanui | William Tatem Tilden II |
| William Tattenbaum | William Taylor Harris | William Taylor Jr. |
| William Taynton | William Téchoueyres | William te Kolsté |
| William Tecumseh Sherman | William Tecumseh Sherman (Saint-Gaudens) | William Tell |
| William Tell (film 1953) | William Tell (film incompiuto) | William Temple |
| William Temple Withers | William Tenn | William Tepper |
| William Terence Deary | William Terrelle Henderson | William Terrence McGrattan |
| William Tesillo | William Thackeray | William Thad Cochran |
| William Thayer Tutt | WIlliam Theakston | William Theodore Heard |
| William Theodore Katt | William Theodore Mueller | William Theodore Walton III |
| William Thiele | William Thierry Preyer | William Thiselton Dyer |
| William Thiselton-Dyer | William Thomas | William Thomas (accademico) |
| William Thomas (disambigua) | William Thomas (Islwyn) | William Thomas (studioso) |
| William Thomas Astbury | William Thomas Beckford | William Thomas Blanford |
| William Thomas Closs | William Thomas Collings | William Thomas Cosgrave |
| William Thomas Denison | William Thomas Edmund Brennagh | William Thomas Emmanuel |
| William Thomas Francis Horwood | William Thomas Franklin | William Thomas Gaddis |
| William Thomas Garbutt | William Thomas Graves | William Thomas Green Morton |
| William Thomas Hallenback | William Thomas Horner Fox-Strangways | William Thomas III |
| William Thomas Kirschbaum | William Thomas Maas | William Thomas Medley |
| William Thomas Murray | William Thomas Passmore | William Thomas Porter |
| William Thomas Sadler | William Thomas Sampson | William Thomas Stanfill |
| William Thomas Stead | William Thomas Strayhorn | William Thomas Tutte |
| William Thomas Ward | William Thompson | William Thompson (arciere) |
| William Thompson (filosofo) | William Thompson (naturalista) | William Thompson (pirata) |
| William Thomson | William Thomson (geologo) | William Thomson (hockeista su ghiaccio) |
| William Thomson Hay | William Thomson, 1st Baron Kelvin | William Thomson, I barone Kelvin |
| William Thoresson | William Thorley | William Thornton |
| William Thunderman | William Thurston | William Tidball |
| William Tierney Clark | William Tiero | William Timmons |
| William Timothy Gowers | William Timothy Mantlo | William Timothy O'Brien |
| William Tisdale | William Tobe Hooper | William Todd Akin |
| William Todd Field | William Todd Lithgow | William Todd Tiahrt |
| William Togui | William Tolbert | William Tollemache, Lord Huntingtower |
| William Tonji N'Gounou | William Toomey | William Topaz McGonagall |
| William Torres | William Torres Alegría | William Torres Alegria |
| William Torres Cabrera | William Tosheff | William Townley |
| William Towns | William Townsend Aiton | William Traband |
| William Tracy | William Traval | William Travilla |
| William Travis | William Trevitt | William Trevor |
| William Trew | William Tripp Woolsey | William Tritschler |
| William Tritton | William Troost-Ekong | William Trost Richards |
| William Troy McLawhorn | William Tubbs | William Tubman |
| William Tucci | William Tudor Gunston | William Turnbull |
| William Turnbull (artista) | William Turner | William Turner (anatomista) |
| William Turner (disambigua) | William Turner (naturalista) | William Turner Thiselton Dyer |
| William Turner Thiselton-Dyer | William Turner Walton | William Turton |
| William Tutte | William Tuttle | William Tuttle (truccatore) |
| William Twaits | William Tweed | William Twisse |
| William Tyndale | William Tyrrell | William Tyrrell, I barone Tyrrell |
| William Tyssen-Amherst | William Tyssen-Amherst, I Barone Amherst di Hackney | William Unruh |
| William Upton | William Urban | William Ury |
| William Usery Jr. | William Utermohlen | William V. Brady |
| William V. Mong | William V. Moody | William V. Ranous |
| William V. S. Tubman | William V. Skall | William Vail |
| William Vainqueur | William Valentine | William Vallance Douglas Hodge |
| William Van Dijck | William Van Horn | William Van Poyck |
| William Vance | William Vance Martin | William Vanderpool Hilleary |
| William Vane | William Vane, I duca di Cleveland | William Vargas |
| William Varley | William Vaughn Moody | William Vecchi |
