- Wage scales
- Wailing Wall
- War crimes
- Washington, D.C.
- Waste management
- Watchdogs
- Water shortages
- Water safety
- Water skiing
- Waterboarding
- Waterfalls
- Watermelons
- Weather forecasting
- Weaving
- Weddings
- Wedding customs
- Weight loss/weight loss fads
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- Weightlifting
- Welfare
- Werewolves
- West Nile Virus
- West Bank
- Wetlands
- Whales
- Whirling dervishes
- White House
- Wicca
- Wind power
- Wine
- Wisdom teeth
- Witchcraft
- World Trade Organization
- World War I/World War II
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