WCA

WCA may refer to:

Schools

• 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
• Westminster Christian Academy (Missouri), private school in Town and Country, Missouri
• Wildwood Catholic Academy, private school in North Wildwood, New Jersey

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
• World Clown Association, governing worldwide clowning
• World Cube Association, governing Rubik's Cube competitions
• World Council of Arameans, governing the Arameans worldwide

Professional associations

• World Chiropractic Alliance, agency which involves itself in chiropractic matters

Technical

• Water cascade analysis
• Weakly coordinating anion, or non-coordinating anion

Other

• World Constituent Assembly, 1968 meeting of world delegates
• Wesleyan Covenant Association, an organization associated with the Global Methodist Church
• Western Canada Airways Ltd., a defunct Canadian airline of the 1920s and 1930s
• West Caribbean Airways, a Colombian airline
• Wikimedia Chapters Association, an organization that coordinates works of all Wikimedia chapters
• Wind Correction Angle, used in aeronautical navigation
• 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 Combat Arts, valuing all martial styles, traditions and arts with equal esteem. Particular expertise in competitive kickboxing, sport boxing, K1 rules and muay thai.
• World Combat Association, an international forum and network for martial arts instructors who emphasize practicality in their art.
• World Counter-terrorism Agency, a fictional organization appearing in Marvel Comics
• World Cube Association, the world speedcubing association