WAC

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, an NCAA Division I affiliated college 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
 * Wathaurong Aboriginal Co-operative, community organization 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
 * 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.