| William Peter Blatty | William Peter Blatty |
| William Petersen | William Petersen |
| William Pettersson | William Petersson |
| William Petty | William Petty |
| William Pitt the Younger | William Pitt der Jüngere |
| William Quantrill | William Clark Quantrill |
| William Ramsay | William Ramsay |
| William Randal Cremer | William Randal Cremer |
| William Reddington Hewlett | William Hewlett |
| William Riker | Personen im Star-Trek-Universum |
| William Robert Grove | William Grove |
| William Rosecrans | William Starke Rosecrans |
| William Ross Ashby | William Ross Ashby |
| William Rowan Hamilton | William Rowan Hamilton |
| William Roxburgh | William Roxburgh |
| William Saroyan | William Saroyan |
| William Sealy Gosset | William Gosset |
| William Shakespeare | William Shakespeare |
| William Shakespeare's A Midsummer Night's Dream | Ein Sommernachtstraum |
| William Shakespeare's Hamlet | Hamlet |
| William Shakespeare's Julius Caesar | Julius Caesar |
| William Shakespeare's Romeo + Juliet | William Shakespeares Romeo + Julia |
| William Shatner | William Shatner |
| William Shatner's Mysteries of the Gods | Botschaft der Götter |
| William Shepherd | William McMichael Shepherd |
| William Shockley | William B. Shockley |
| William Sidney Smith | Sidney Smith |
| William Siemens | Carl Wilhelm Siemens |
| William Smith | William Smith |
| William Somerset Maugham | William Somerset Maugham |
| William Speirs Bruce | William Speirs Bruce |
| William Stanley Jevons | William Stanley Jevons |
| William Starling Sullivant | William Sullivant |
| William Stern | William Stern |
| William Stewart Halsted | William Stewart Halsted |
| William Stukeley | William Stukeley |
| William Styron | William Styron |
| William Swainson | William Swainson |
| William Tell | Wilhelm Tell |
| William Tenn | William Tenn |
| William the Brave | Wilhelm der Tapfere |
| William the Conqueror | Wilhelm der Eroberer |
| William Thomas Beckford | William Beckford |
| William Thomas Riker | Personen im Star-Trek-Universum |
| William Thomson | William Thomson |
| William Turner | William Turner |
| William Van Alen | William van Alen |
| William Vickrey | William Vickrey |
| William Wakefield Baum | William Wakefield Baum |
| William Wallace | William Wallace |
| William Wallace Denslow | William Wallace Denslow |
| William Walton | William Walton |
| William Whiston | William Whiston |
| William Wilson Morgan | William Wilson Morgan |
| William Wordsworth | William Wordsworth |
| William Wright | William Wright |
| William Wyler | William Wyler |
| William Wyler's Ben-Hur | Ben Hur |
| William-Adolphe Bouguereau | William Adolphe Bouguereau |
| William-Jordan | Wilhelm-Jordan |
| Williams | Wilms |
