GCN may refer to:

Media and society

• Gay Christian Network, now called Q Christian Fellowship, a nonprofit organization and associated social networking site
• Gay Community News (Dublin), Ireland's longest running gay newspaper, published since 1988 by the National Lesbian and Gay Federation
• Gay City News, a free weekly LGBT newspaper stylized as gcn.
• Gay Community News (Boston), a weekly journal published in Boston from 1973 to 1992
• Genesis Communications Network, a US radio network
• Global Cycling Network, a YouTube channel

Science and technology

• General Coordinates Network, formerly known as Gamma-ray burst coordinates network
• Graphics Core Next, an AMD graphics microarchitecture series
• Degenerate codon for the amino acid Alanine (A)

Other uses

• Grand Canyon National Park Airport (IATA code)
• GameCube (GCN), a video game console developed by Nintendo

See also

• General control non-derepressible, proteins such as Gcn2 and Gcn4

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