QCA
# QCA

QCA may refer to:

* Qualifications and Curriculum Authority, formerly an executive non-departmental public body (NDPB) of the Department for Education in the United Kingdom
* Qualitative comparative analysis, a technique for solving the problems that are caused by making causal inferences on the basis of only a small number of cases
* Quantum cellular automata, any one of several models of quantum computation
* Queensland College of Art, a specialist arts and design college located in South Bank, Brisbane, and Southport, Gold Coast Australia
* Queensland Cricket Association
* Quezon City Academy, a Secondary school in Quezon City, Philippines
* Quoted Companies Alliance, a not-for profit organisation representing small businesses
* Quad Cities Area, is a geographic region of the Mid-Mississippi Valley of the United States that includes several communities in the states of Iowa and Illinois.
* Quantum dot cellular automaton
* QCA, IATA code of Mecca, Saudi Arabia's airport
