WAC may refer to:

Arts Walker Art Center, a modern art museum in Minneapolis, Minnesota Walton Arts Center, a performing arts center in Fayetteville, Arkansas Warwick Arts Centre, at the University of Warwick in Coventry, England

Science WAC (gene) Welsh Agricultural College World Archaeological Congress World Association of Copepodologists World Agroforestry Centre

Sports FAI World Aerobatic Championships Washington Athletic Club located in Seattle, Washington Western Athletic Conference, a former NCAA Division I collegiate athletics conference Wiener AC, an Austrian sports club Wolfsberger AC, an Austrian football club World Athletics Championships Wydad AC, a Moroccan sports club

Transport Wan Chai station, Hong Kong, by MTR station code Warrington Central railway station, England, by National Rail station code

Other WAC Corporal, the first U.S. sounding rocket Washington-Alexandria Architecture Center, extension of Virginia Tech Waste Acceptance Criteria, European criteria required to establish whether a waste is suitable for different classes of landfill; see Technical Guidance WM2 Washington Administrative Code, regulations of Washington State, arranged by subject and agency Wathaurong Aboriginal Co-operative, community organisation in Geelong, Australia We Are Church, a reformist organization within the Roman Catholic Church Westminster Archives Centre, library and archives in London Wholesale Applications Community, community of mobile phone developers wholesale acquisition cost in the drug industry Wide Awake Club, a 1980s British children's television series Wollondilly Anglican College, school in Tahmoor, Australia Women's Action Coalition, feminist direct action alliance Women's Army Corps a defunct women's branch of the United States Army Women's Auxiliary Corps (India) for women in the British Indian Army Worked All Continents, one of the awards issued by the International Amateur Radio Union World aeronautical chart, used for navigation by pilots World Amazigh Congress, promotes awareness of the Berber people World Avocado Congress, a conference on avocado production Writing across the curriculum, a movement aimed at integrating writing into all academic courses World Area Codes, US state and world country codes.

See also Wak (disambiguation) Wack (disambiguation) WAC Basketball Tournament (disambiguation) Western Athletic Conference World Affairs Council (disambiguation)