| William Jones | William Jones |
| William Joseph Chaminade | Guillermo José Chaminade |
| William Joseph Donovan | Guillermo José Donovan |
| William Kamm | Pedro II |
| William Kemmler | William Kemmler |
| William Kidd | William Kidd |
| William Langland | William Langland |
| William Lassell | William Lassell |
| William Lawrence Bragg | William Lawrence Bragg |
| William Lawvere | William Lawvere |
| William Lipscomb | William Lipscomb |
| William Longchamp | William Longchamp |
| William Makepeace Thackeray | William Makepeace Thackeray |
| William McKinley | William McKinley |
| William Miller | William Miller |
| William Morris | William Morris |
| William Morris Davis | William Morris Davis |
| William Moseley | William Moseley |
| William Murphy | William Parry Murphy |
| William Norris | William Norris |
| William of Baskerville | Guillermo de Baskerville |
| William of Brandenburg | Guillermo de Prusia |
| William of Gellone | Guillermo I de Tolosa |
| William of Malmesbury | Guillermo de Malmesbury |
| William of Occam | Guillermo de Ockham |
| William of Ockham | Guillermo de Ockham |
| William of Orange | Guillermo de Orange |
| William of Poitiers | Guillermo de Poitiers |
| William of Septimania | Guillermo de Septimania |
| William of Tyre | Guillermo de Tiro |
| William Orbit | William Orbit |
| William Oughtred | William Oughtred |
| William Paley | William Paley |
| William Penn | William Penn |
| William Peter Blatty | William Peter Blatty |
| William Petersen | William Petersen |
| William Petty | William Petty |
| William Pitt the Younger | William Pitt |
| William Quantrill | William Clarke Quantrill |
| William Ramsay | William Ramsay |
| William Randal Cremer | William Randal Cremer |
| William Reddington Hewlett | Bill Hewlett |
| William Rehnquist | William Rehnquist |
| William Ross Ashby | William Ross Ashby |
| William Rowan Hamilton | William Rowan Hamilton |
| William Saroyan | William Saroyan |
| William Sealy Gosset | William Sealy Gosset |
| William Seward Burroughs I | William Burroughs |
| William Shakespeare | William Shakespeare |
| William Shatner | William Shatner |
| William Shockley | William Bradford Shockley |
| William Siemens | Carl Wilhelm Siemens |
| William Smith | William Smith |
| William Somerset Maugham | William Somerset Maugham |
| William Stanley Jevons | William Stanley Jevons |
| William Stern | William Stern |
| William Stewart Halsted | William Halsted |
| William Styron | William Styron |
| William Swainson | William Swainson |
| William Tecumseh Sherman | William Tecumseh Sherman |
| William Tell | Guillermo Tell |
| William the Conqueror | Guillermo I de Inglaterra |
| William the Silent | Guillermo de Orange |
| William Thomas Beckford | William Beckford |
| William Thomas Riker | Leonard McCoy |
| William Turner | Joseph Mallord William Turner |
| William V of Aquitaine | Guillermo V de Orange-Nassau |
| William VI of Aquitaine | Guillermo VII de Hesse-Kassel |
| William Vickrey | William Vickrey |
| William VIII of Aquitaine | Guillermo VIII de Hesse-Kassel |
| William VIII of Montferrat | Guillermo VIII de Montferrato |
| William Wallace | William Wallace |
| William Walton | William Walton |
| William Westmoreland | William Westmoreland |
