UCG may refer to:
Universities
- Universidade Católica de Goiás, a Catholic university in Brazil
- University College, Galway, a National University of Ireland
- University of Montenegro ()
Other uses
- Serine, a proteinogenic amino acid, specified by redundant codons in the genetic code that include UCG
- UCG or United Communications Group, a privately held company, owner of GasBuddy
- Underground coal gasification, a process carried on in non-mined coal seams
- United Church of God, a Christian denomination
- Urban contemporary gospel, a modern subgenre of gospel music.
See also
- UGC (disambiguation)