UCA may refer to:

Educational institutions

United States

• University of California, California, United States

• University of Central Arkansas, Conway, Arkansas, United States

• Upper Columbia Academy, Spangle, Washington, United States

• United Christian Academy, Bloomington, Minnesota, United States

Others

• Université Clermont-Auvergne, Clermont-Ferrand, France

• University for the Creative Arts, England, United Kingdom

• Universidad Centroamericana (Managua), Managua, Nicaragua

• Universidad Centroamericana (San Salvador), San Salvador, El Salvador

• University of Cádiz, Cádiz, Spain

• University of Central Asia, Chüy Region, Kyrgyzstan

• Pontifical Catholic University of Argentina, Argentina

Organizations

• Urgent Care Association, Warrenville, Illinois, United States

  Unitarian Christian Association, UK

• Universalist Church of America, 1866 to 1961

• Uniting Church in Australia

Technology

• Under color addition

• Unicode collation algorithm

Other uses

• UCA, the IATA code for Oneida County Airport

• UCA, a codon for the amino acid serine

• Universal College Application, an American online consortium-based college admissions application

See also

• Uca, the genus of crabs known as fiddler crabs