| William Butler Yeats | William Butler Yeats |
| William Byrd | William Byrd |
| William Camden | William Camden |
| William Cameron Townsend | Guillermo Cameron Townsend |
| William Caxton | William Caxton |
| William Clito | Guillermo I de Alemania |
| William Cornelius Van Horne | William Cornelius Van Horne |
| William Cowper | William Cowper |
| William Crookes | William Crookes |
| William Crowther | William Crowther |
| William Cullen | William Cullen |
| William Dampier | William Dampier |
| William Daniel Phillips | William Daniel Phillips |
| William Davenant | William Davenant |
| William Davies Evans | William Davies Evans |
| William Dean Howells | William Dean Howells |
| William Dean Martin | William Dean Martin |
| William Diehl | William Diehl |
| William Drummond of Hawthornden | William Drummond |
| 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 | William Fox |
| William Fox Talbot | William Fox Talbot |
| William Froude | William Froude |
| William George Horner | William George Horner |
| William Giauque | William Francis Giauque |
| William Gibson | William Gibson |
| William Gilbert | William Gilbert |
| William Gladstone | William Ewart Gladstone |
| William Golding | William Golding |
| William Gregor | William Gregor |
| William Gull | William Withey Gull |
| William Hanna | William Hanna |
| William Harvey | William Harvey |
| William Hazlitt | Hazlitt |
| William Henry Bragg | William Henry Bragg |
| William Henry Harrison | William Henry Harrison |
| William Henry Hudson | Guillermo Enrique Hudson |
| William Henry Pickering | William Henry Pickering |
| William Herschel | William Herschel |
| William Hogarth | William Hogarth |
| William Holden | William Holden |
| William Holman Hunt | William Holman Hunt |
| William Howard Stein | William Howard Stein |
| William Howard Taft | William Howard Taft |
| William Huggins | William Huggins |
| William Hurt | William Hurt |
| William Hyde Wollaston | William Hyde Wollaston |
| William I | Guillermo I de Alemania |
| William I of Aquitaine | Guillermo I de Alemania |
| William I of England | Guillermo I de Inglaterra |
| William I of Montferrat | Guillermo I de Montferrato |
| William I of Normandy | Guillermo I de Normandía |
| William I of Provence | Guillermo I de Alemania |
| William I of Scotland | Guillermo I de Escocia |
| William I of Sicily | Guillermo I de Sicilia |
| William I of the Netherlands | Guillermo I de los Países Bajos |
| William I of Württemberg | Guillermo I de Alemania |
| William II | Guillermo II de Alemania |
| William II of Aquitaine | Guillermo II de Alemania |
| William II of England | Guillermo II de Inglaterra |
| William II of Montferrat | Guillermo II de Montferrato |
| William II of Provence | Guillermo III de los Países Bajos |
| William II of Sicily | Guillermo II de Sicilia |
| William II of the Netherlands | Guillermo II de los Países Bajos |
| William II of Württemberg | Guillermo II de Alemania |
| William II Sánchez of Gascony | Guillermo II de Alemania |
| William III | Guillermo III |
| William III of Aquitaine | Guillermo III de los Países Bajos |
| William III of Dampierre | Guillermo II de Alemania |
| William III of England | Guillermo III de Inglaterra |
| William III of Montferrat | Guillermo III de Montferrato |
| William III of Ponthieu | Guillermo III de los Países Bajos |
| William III of Provence | Guillermo V de Orange-Nassau |
| William III of Sicily | Guillermo III de los Países Bajos |
| William III of the Netherlands | Guillermo III de los Países Bajos |
| William III of Toulouse | Guillermo III de los Países Bajos |
| William Iron Arm | Guillermo Brazo de Hierro |
| William IV | Guillermo IV |
| William IV of Aquitaine | Guillermo IV del Reino Unido |
| William IV of Montferrat | Guillemo IV de Montferrato |
| William IV of Provence | Guillermo IV del Reino Unido |
| William IV of the United Kingdom | Guillermo IV del Reino Unido |
| William IV of Toulouse | Guillermo IV del Reino Unido |
| William IX of Aquitaine | Guillermo de Poitiers |
| William Jackson Hooker | William Jackson Hooker |
| William James | William James |
