WCA may refer to:
Schools Warner Christian Academy, private Christian school in South Daytona, Florida Waterbury Career Academy, public high school in Waterbury, Connecticut Wake Christian Academy, private Christian school in Raleigh, North Carolina Washington Christian Academy, private Christian school in Silver Spring, Maryland Wesleyan Christian Academy, private school in High Point, North Carolina West Central Area Schools, school district in west central Minnesota Westminster Christian Academy (Georgia), private school in Watkinsville, Georgia Westminster Christian Academy (Missouri), private school in Town and Country, Missouri Wildwood Catholic Academy, private school in North Wildwood, New Jersey Williamsburg Christian Academy, private boarding school in Williamsburg, New Jersey Willow Creek Academy, defunct charter school in Sausalito, California Wisconsin Career Academy, preparatory middle and high school in Milwaukee, Wisconsin
Governing and political bodies Waste collection authority, local authority charged with collecting waste in the United Kingdom Welsh Canoeing Association, governing body for canoeing and kayaking in Wales Welsh Cricket Association, governing body for cricket in Wales Women's Cricket Association, former governing body for women's cricket in England Women's Cricket Association of India, former governing body from 1973 to 2007 Working Class Action, left-wing campaign group in Dublin, Ireland World Clown Association, governing worldwide clowning World Cube Association, governing Rubik's Cube competitions World Council of Arameans, governing the Arameans worldwide World Programme for the Census of Agriculture, first developed by the United Nations in 1930 Wrangell Cooperative Association, federally recognized Native American tribe in Alaska
Professional associations World Chiropractic Alliance, agency which involves itself in chiropractic matters
Technical Waste collection authority, local authority in the UK charged with collection of municipal waste Water cascade analysis Water Conservation Area 3, lying north of Everglades National Park Weakly coordinating anion, or non-coordinating anion Worst-case circuit analysis WAGR WCA/WCE class
Airlines
WestAir Commuter Airlines, defunct United States airline from the 1970s to the 90s Western Canada Airways Ltd., a defunct Canadian airline of the 1920s and 1930s West Caribbean Airways, a Colombian airline West Coast Airlines, a defunct United States airline Wilmington-Catalina Airline, defunct airline of the 1930s and 40s
Other Waste Corporation of America, former American waste management company that was acquired by GFL Environmental in 2020 W C A Boarding House, historic boarding house in Springfield, Massachusetts WCA National Division One of the Women's Camanachd Association WeChoice Awards, Vietnamese awards ceremony Wesleyan Covenant Association, an organization associated with the Global Methodist Church Wikimedia Chapters Association, an organization that coordinates works of all Wikimedia chapters Windermere Cruising Association, sailing club located at Lake Windermere in England Women's Caucus for Art, New York based non-profit supporting women artists Women's Caucus for Art Lifetime Achievement Award, awards ceremony Work Capability Assessment, an approach to judging an unemployed person's suitability for work, England, present. World Coal Association, previously known as World Coal Institute World Communication Awards, awards ceremony to recognize global telecom operators World Constituent Assembly, 1968 meeting of world delegates World Counter-terrorism Agency, a fictional organization appearing in Marvel Comics Wyoming Contractors Association, nonprofit trade organization based in Wyoming