WSC
- International Statistical Institute
- TCR Touring Car
- WSC (cyclecar)
- WSC (radio station)
- Wardell Stephen Curry II
- Washington Sports Clubs
- Weekly Shōnen Champion
- Weinheimer Senioren-Convent
- Wesco Financial
- West Spitsbergen Current
- Western Science Center
- Westminster Seminary California
- When Saturday Comes
- White Sands Complex
- Wiener Sportclub
- Wiki Science Competition
- Wild Salmon Center
- Winograd Schema Challenge
- Winston Spencer Churchill
- WonderSwan Color
- World Scholar's Cup
- World Scout Conference
- World Scrabble Championship
- World Series Cricket
- World Shipping Council
- World Sindhi Congress
- World Snooker Championship
- World Solar Challenge
- World Sports Car
- World Sportscar Championship
- World Standards Cooperation
- World Sudoku Championship
- WorldSkills Competition