UCU or Ucu may stand for:
Institutions and organizations Universal Concepts Unlimited, New York City art gallery (2000-2006) Uganda Christian University, church-based university near Kampala, Uganda Ukrainian Catholic University, Catholic university in Lviv, Ukraine University College Utrecht, international Honors College of Utrecht University, Netherlands Urdaneta City University in the Philippines University and College Union, trade union for further-education and higher-education workers in the UK Catholic University of Uruguay (in Spanish: Universidad Católica del Uruguay)
People Ucu Agustin (born 1976), Indonesian journalist, writer, and documentary filmmaker
Biology UCU, a codon for the amino acid serine