- world records
- World Resources Institute
- World Rugby
- world scale
- worldscale
- World's End
- World Series
- WorldSkills Competition
- WORLD SOCCER DIGEST
- World Society for the Protection of Animals
- World Tourism Organization
- World Trade Center
- World Trade Center
- World Trade Organization
- World Trade Union Congress
- World Veterans Federation
- World Weather Watch Programme
- worldwide
- Worldwide Developers Conference
- World Wide Fund for Nature
- Worldwide harmonized Light-duty Test Procedure
- worldwide interoperability for microwave access
- worldwide interoperability for microwave access 2
- world wide web
- world wide web