WCC
- Citizens' Councils
- Portal (computer game)
- WCC (radio station)
- WCC Team
- WWE Cruiserweight Championship (1991–2007)
- Warwickshire County Council
- Washington Conservation Corps
- Washtenaw Community College
- Watcom C Compiler
- Waubonsee Community College
- Waverley Christian College
- Wayne Community College
- Weak central coherence theory
- WebSphere
- Weighted companion cube
- Wellington City Council
- West Cheshire College
- West Coast Choppers
- West Coast Conference
- West Coast Customs
- Westchester Community College
- Westchester Country Club
- Western Canada Concept
- Western Canada Cup
- Western Canadian Championships
- Western Cartridge Company
- Westminster Choir College
- Wexford County Council
- Whatcom Community College
- White blood cell count
- Wiccan Church of Canada
- Wife-Carrying Championship
- William Clarke College
- Wiltshire County Council
- Windward Community College
- Wisconsin Collegiate Conference
- Wolverhampton City Council
- Women in Cinema Collective
- Women's Christian College, Chennai
- Women's Classical Caucus
- Women's Classical Committee UK
- Woodbury Country Club
- Woodland Community College
- Worcestershire County Council
- World Canals Conference
- World Cat Congress
- World Chess Championship
- World Children's Choir
- World Chlorine Council
- World Christian Conference
- World Climate Conference
- World Club Challenge
- World Commerce Center
- World Conker Championships
- World Constitutional Convention
- World Constructors' Championship
- World Council of Churches
- World Crafts Council
- World Cultural Council
- World Curling Championship
- World Cycling Centre
- World Cycling Championship
- Wyoming Catholic College