| W Virginis variable | Variabile W Virginis |
| W-CDMA | W-CDMA |
| W-League | United Soccer Leagues W-League |
| W. Somerset Maugham | William Somerset Maugham |
| WA | WA |
| Waakirchen | Waakirchen |
| Waal | Waal |
| Waardenburg syndrome | Sindrome di Waardenburg |
| Wabash River | Wabash |
| Wabern | Wabern |
| Wabi-sabi | Wabi-sabi |
| Wace | Robert Wace |
| Wachau | Wachau |
| Wachenroth | Wachenroth |
| Wacho | Vacone |
| Wachowski brothers | Fratelli Wachowski |
| Wachseldorn | Wachseldorn |
| Wackersberg | Wackersberg |
| Wackersdorf | Wackersdorf |
| Wacky Races | Wacky Races |
| Waco | Waco |
| wad | mucchio |
| Wada test | Test di Wada |
| Wadati-Benioff zone | Piano di Wadati-Benioff |
| wadding | incluso |
| waddle | camminare ondeggiando |
| wade | guadare |
| Wade Defense | Difesa Rat |
| Wade Hampton III | Wade Hampton III |
| Wade-Giles | Wade-Giles |
| wader | trampoliere |
| Wadern | Wadern |
| waders | stivaloni impermeabili |
| Wadgassen | Wadgassen |
| wadi | uadi |
| Wadi Al Hayaa | Municipalità di Wadi al Haya |
| Wadi Al Shatii | Municipalità di Wadi al Shati |
| Wadi Al-Hitan | Wadi al-Hitan |
| Wadi El Natrun | Wadi el-Natrun |
| Wadi Fira Region | Wadi Fira |
| Wadjet | Buto |
| Wadowice | Wadowice |
| wads | fardello |
| Wadsley Bridge | Wadsley Bridge |
| Wadō-ryū | Wadoryu |
| Wafa Sultan | Wafa Sultan |
| wafer | ostia |
| wafer-thin | sottile come un'ostia |
| Waffen-SS | Waffen-SS |
| Waffenamt | Waffenamt |
| Waffenbrunn | Waffenbrunn |
| waffle | cialda |
| wag | agitare |
| wag its tail | scodinzolare |
| wage | salario |
| wage war | muovere guerra |
| wage war against | muovere guerra contro |
| wage war on | muovere guerra contro |
| Wagenhausen | Wagenhausen |
| Wageningen | Wageningen |
| wager | posta |
