| World Financial Center | World Financial Center |
| World Grand Champions Cup féminine | Grand Champions Cup FIVB |
| World music | Musica etnica |
| World Scout Moot | Rover Moot |
| World Series | World Series |
| World Series by Renault | World Series by Renault |
| World Series of Poker | World Series of Poker |
| World Soccer | World Soccer |
| World Team Cup | World Team Cup |
| World Touring Car Championship | Campionato del mondo turismo |
| World Trade Center | World Trade Center |
| World Wide Fund for Nature | WWF |
| World Wide Web | World Wide Web |
| World Wide Web Consortium | World Wide Web Consortium |
| World Wildlife Fund | WWF |
| World Wind | NASA World Wind |
| World Wrestling Entertainment | World Wrestling Entertainment |
| Worldwide Interoperability for Microwave Access | WiMAX |
| Wormeldingen | Wormeldingen |
| Wormit | Wormit |
| Worms | Vormazia |
| Wounded Knee | Massacro di Wounded Knee |
| Wraith | Wraith |
| wrap | rotolo |
| WrestleMania | WWE WrestleMania |
| WrestleMania I | WWE WrestleMania I |
| WrestleMania III | WrestleMania III |
| Wrexham | Wrexham |
| Wrightsville | Wrightsville |
| Write Once Read Many | Write Once Read Many |
| Wroclaw | Breslavia |
| Wrocław | Breslavia |
| Wronskien | Wronskiano |
| Wroxham | Wroxham |
| WS | WS |
| WS-I | Web Services Interoperability |
| WTO | Organizzazione Mondiale del Commercio |
| Wu Xia Pian | Wuxiapian |
| Wu Yi | Wu Yi |
| Wu Zetian | Imperatrice Wu |
| Wudang Shan | Monti Wudang |
| Wuerhosaurus | Wuerhosaurus |
| Wuhan | Wuhan |
| Wuhu | Wuhu |
| Wulfgar | Wulfgar |
| Wulfhere de Mercie | Wulfhere |
| Wulfila | Ulfila |
| Wulfénite | Wulfenite |
| Wulverdinghe | Wulverdinghe |
| Wunsiedel | Wunsiedel |
| Wunstorf | Wunstorf |
| Wuppenau | Wuppenau |
| Wuppertal | Wuppertal |
| Wurtemberg | Württemberg |
| Wurtemberg-Bade | Württemberg-Baden |
| Wurtzbourg | Würzburg |
| Wushan | Wushan |
| Wuxi | Wuxi |
| Wuyi Shan | Monte Wuyi |
| WWE Backlash | WWE Backlash |
| WWE Championship | WWE Championship |
| WWE Cruiserweight Championship | WWE Cruiserweight Championship |
| WWE Cyber Sunday | WWE Cyber Sunday |
| WWE ECW | Extreme Championship Wrestling |
| WWE European Championship | WWE European Championship |
| WWE Hall of Fame | WWE Hall of Fame |
| WWE Intercontinental Championship | WWE Intercontinental Championship |
| WWE Judgment Day | WWE Judgment Day |
| WWE Monday Night RAW | WWE RAW |
| WWE No Way Out | WWE No Way Out |
| WWE One Night Stand | WWE One Night Stand |
| WWE Survivor Series | WWE Survivor Series |
| WWE Tag Team Championship | WWE Tag Team Championship |
| WWE The Great American Bash | WWE The Great American Bash |
| WWE Undisputed Championship | WWE Undisputed Championship |
| WWE United States Championship | WWE United States Championship |
| WWE World Heavyweight Championship | WWE World Heavyweight Championship |
