| William Wakefield Baum | William Wakefield Baum |
| William Wallace | William Wallace |
| William Walton | William Turner Walton |
| William Westmoreland | William Westmoreland |
| William Wordsworth | William Wordsworth |
| William Wyler | William Wyler |
| William X of Aquitaine | Guglielmo X di Aquitania |
| William-Adolphe Bouguereau | William-Adolphe Bouguereau |
| William-Jordan | Guglielmo Giordano di Cerdanya |
| Williams | Williams |
| Williams syndrome | Sindrome di Williams-Beuren |
| Willibrord | San Villibrordo |
| Willie Brown | Willie Brown |
| Willie Dixon | Willie Dixon |
| Willie Nelson | Willie Nelson |
| Willigis | Villigiso |
| willing | disposto |
| willing or unwilling | volente o nolente |
| Willingen | Willingen |
| Willinghusen | Willinghusen |
| willingly | volentieri |
| willingness to please | cortesia |
| Willingshausen | Willingshausen |
| Willington Quay | Willington Quay |
| Willis Carrier | Willis Haviland Carrier |
| Willis Reed | Willis Reed |
| Willisau | Willisau |
| Willkau-Hasslau | Willkau-Hasslau |
| Willmars | Willmars |
| Willmering | Willmering |
| willow | salice |
| willow herb | epilobio |
| Willow ptarmigan | Lagopus lagopus |
| Willow Rosenberg | Willow Rosenberg |
| willow tree | salice |
| Willow Warbler | Phylloscopus trochilus |
| willpower | forza di volontà |
| Wills | Will |
| Willstätt | Willstätt |
| willy | pisello |
| Willy Brandt | Willy Brandt |
| Willy Fritsch | Willy Fritsch |
| Willy Puchner | Willy Puchner |
| Willy Sagnol | Willy Sagnol |
| willy-nilly | volente o nolente |
| Willys | Willys-Overland |
| Willys MB | Willys MB |
| Wilma | Wilma |
| Wilma Montesi | Omicidio di Wilma Montesi |
| Wilma Rudolph | Wilma Rudolph |
| Wilmer Valderrama | Wilmer Valderrama |
| Wilmersdorf | Wilmersdorf |
| Wilmington | Wilmington |
| Wilno Voivodeship | Voivodato di Vilnius |
| Wilsecker | Wilsecker |
| Wilson Bappu effect | Effetto Wilson Bappu |
| Wilson effect | Effetto Wilson |
| Wilson Fittipaldi Júnior | Wilson Fittipaldi |
| Wilson Mills | Wilson Mills |
| Wilson Pickett | Wilson Pickett |
| Wilster | Wilster |
| wilt | appassire |
| Wilt Chamberlain | Wilt Chamberlain |
| Wiltshire | Wiltshire |
| Wiltz | Cantone di Wiltz |
| Wiltz River | Cantone di Wiltz |
| wily | astuto |
| Wim Wenders | Wim Wenders |
| WiMAX | WiMAX |
| wimble | trapano |
| Wimbledon | Wimbledon |
