WWC
- Walla Walla University
- Warren Wilson College
- Western Wrestling Conference
- What Works Clearinghouse
- Whitman-Walker Clinic
- Wizard World Chicago
- Women's World Cup (disambiguation)
- Woodrow Wilson Center
- Woolwich railway station
- Working With Children Check
- World Water Council
- World Weightlifting Championships
- World Wrestling Championships
- World Wrestling Council
- World Wushu Championships
- Worldways Canada