| William Blackstone | William Blackstone |
| William Blake | William Blake |
| William Boeing | William Boeing |
| William Boyce | William Boyce |
| William Buckland | William Buckland |
| William Butler Yeats | William Butler Yeats |
| William Byrd | William Byrd |
| William Calley | William Calley |
| William Cameron McCool | William McCool |
| William Cameron Townsend | William Cameron Townsend |
| William Cardinal Conway | William John Conway |
| William Cardinal Godfrey | William Godfrey |
| William Caxton | William Caxton |
| William Charles Linnaeus Martin | William Charles Linnaeus Martin |
| William Clito | Guglielmo I di Germania |
| William Cornwallis | William Cornwallis |
| William Cowper | William Cowper |
| William Crookes | William Crookes |
| William Curtis | William Curtis |
| William de Croÿ | Guglielmo di Croy |
| William Dean Martin | William Dean Martin |
| William Edward Boeing | William Boeing |
| William Egon of Fürstenberg | Wilhelm Egon Fürst von Fürstenberg |
| William Elford Leach | William Elford Leach |
| William Ewart Gladstone | William Ewart Gladstone |
| William Farel | Guillaume Farel |
| William Faulkner | William Faulkner |
| William Forsyth Sharpe | William Sharpe |
| William Fox Talbot | William Fox Talbot |
| William Giauque | William Francis Giauque |
| William Gibson | William Gibson |
| William Gilbert | William Gilbert |
| William Gladstone | William Ewart Gladstone |
| William Golding | William Golding |
| William Hamilton | William Hamilton |
| William Hanna | William Hanna |
| William Harvey | William Harvey |
| William Hazlitt | William Hazlitt |
| William Henry Bragg | William Henry Bragg |
| William Henry Harrison | William Henry Harrison |
| William Henry Keeler | William Henry Keeler |
| William Henry Phelps | William Henry Phelps |
| William Henry Pickering | William Henry Pickering |
| William Henry Waddington | William Waddington |
| William Herschel | William Herschel |
| William Hogarth | William Hogarth |
| William Holden | William Holden |
| William Holman Hunt | William Holman Hunt |
| William Howard Taft | William Howard Taft |
| William Huggins | William Huggins |
| William Hurt | William Hurt |
| William I | Guglielmo I di Germania |
| William I of Aquitaine | Guglielmo I di Aquitania |
| William I of Montferrat | Guglielmo I del Monferrato |
| William I of Normandy | Guglielmo I di Normandia |
| William I of Provence | Guglielmo I di Provenza |
| William I of Scotland | Guglielmo I di Scozia |
| William I of Sicily | Guglielmo I di Sicilia |
| William I of the Netherlands | Guglielmo I dei Paesi Bassi |
| William I of Württemberg | Guglielmo I di Württemberg |
| William II | Guglielmo II di Germania |
| William II of Aquitaine | Guglielmo II di Aquitania |
| William II of Montferrat | Guglielmo II del Monferrato |
| William II of Provence | Guglielmo II di Provenza |
| William II of Sicily | Guglielmo II di Sicilia |
| William II of the Netherlands | Guglielmo II dei Paesi Bassi |
| William II of Württemberg | Guglielmo II di Württemberg |
| William II Sánchez of Gascony | Guglielmo I di Guascogna |
| William III | Guglielmo III |
| William III of Aquitaine | Guglielmo III di Aquitania |
| William III of Dampierre | Guglielmo II di Germania |
| William III of Montferrat | Guglielmo III del Monferrato |
| William III of Ponthieu | Guglielmo III dei Paesi Bassi |
| William III of Provence | Guglielmo III di Provenza |
| William III of Sicily | Guglielmo III di Sicilia |
| William III of the Netherlands | Guglielmo III dei Paesi Bassi |
| William III of Toulouse | Guglielmo III di Tolosa |
| William Iron Arm | Guglielmo Braccio di Ferro |
| William IV of Aquitaine | Guglielmo IV di Aquitania |
| William IV of Montferrat | Guglielmo IV del Monferrato |
| William IV of Provence | Guglielmo IV del Regno Unito |
| William IV of the United Kingdom | Guglielmo IV del Regno Unito |
| William IV of Toulouse | Guglielmo IV di Tolosa |
| William Jackson Hooker | William Jackson Hooker |
| William James | William James |
| William Jennings Bryan | William Jennings Bryan |
| William Jones | William Jones |
| William Joseph Chaminade | Guillaume-Joseph Chaminade |
| William Joyce | William Joyce |
| William Kamm | Manuel Corral |
| William Kent | William Kent |
| William Lassell | William Lassell |
| William Lawrence Bragg | William Lawrence Bragg |
| William Levada | William Joseph Levada |
| William Makepeace Thackeray | William Makepeace Thackeray |
| William McKinley | William McKinley |
| William McMaster Murdoch | William Murdoch |
| William Morris | William Morris |
| William Moseley | William Moseley |
| William Murphy | William Parry Murphy |
| William of Baskerville | Guglielmo da Baskerville |
| William of Champeaux | Guglielmo di Champeaux |
| William of Conches | Guglielmo di Conches |
| William of Gellone | Guglielmo I di Tolosa |
| William of Occam | Guglielmo di Ockham |
| William of Ockham | Guglielmo di Ockham |
| William of Septimania | Guglielmo II di Tolosa |
| William of Tyre | Guglielmo di Tiro |
| William of Volpiano | Guglielmo da Volpiano |
| William Orbit | William Orbit |
| William Penn | William Penn |
| William Peter Blatty | William Peter Blatty |
| William Petersen | William Petersen |
| William Pitt the Younger | William Pitt il Giovane |
| William Ramsay | William Ramsay |
| William Randal Cremer | William Randal Cremer |
| William Reddington Hewlett | Bill Hewlett |
| William Rehnquist | William Rehnquist |
| William Riker | William Riker |
| William Robert Grove | William Robert Grove |
| William Rosecrans | William Starke Rosecrans |
| William Rowan Hamilton | William Rowan Hamilton |
| William Saroyan | William Saroyan |
| William Sealy Gosset | William Sealy Gosset |
| William Seward Burroughs I | William Seward Burroughs |
| William Shakespeare | William Shakespeare |
| William Shatner | William Shatner |
| William Shepherd | William Shepherd |
| William Shockley | William Bradford Shockley |
| William Smith | William Smith |
| William Somerset Maugham | William Somerset Maugham |
| William Speirs Bruce | William Speirs Bruce |
| William Stewart Halsted | William Stewart Halsted |
| William Styron | William Styron |
| William Swainson | William Swainson |
| William Tecumseh Sherman | William Tecumseh Sherman |
| William Tell | Guglielmo Tell |
| William Thomas Beckford | William Beckford |
| William Thomas Riker | William Riker |
| William Thomson | William Thomson |
| William Turner | William Turner |
| William V of Aquitaine | Guglielmo V di Aquitania |
| William VI of Aquitaine | Guglielmo VI di Aquitania |
| William VI of Montferrat | Guglielmo VI del Monferrato |
