WWS
- 100% renewable energy
- 2WS
- List of abbreviations in oil and gas exploration and production
- List of airline codes (W)
- List of gliders (W)
- SWA World Championship
- Singapore Green Plan
- W*ING
- W2S
- WSS (disambiguation)
- WW (disambiguation)
- WWSS
- Walker–Warburg syndrome
- Wayanad Wildlife Sanctuary
- White Whale Records
- Wild Weasel
- Woodrow Wilson School of Public and International Affairs
- World Women's Snooker
- World Wrestling Alliance (Massachusetts)
- World Wrestling Council
- Worldwide Studios