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