WCA

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

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

World Chiropractic Alliance, agency which involves itself in chiropractic matters

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

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

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