GCU may refer to:

Education

* Georgian Court University, in Lakewood, New Jersey, United States * Glasgow Caledonian University, in Scotland, United Kingdom * Government College Umuahia, a secondary school in Nigeria * Government College University (disambiguation) * Grand Canyon University, in Phoenix, Arizona, United States * Great Cities' Universities, an American research-sharing association

Other uses

* Alanine, an amino acid used in the biosynthesis of proteins which may be encoded by GCU * General Contact Unit, a class of fictional artificially intelligent starship in The Culture universe of late Scottish author Iain Banks * Greek Catholic Union of the USA, known as GCU {{disambiguation