TCG may refer to:

Businesses and organisations

• Taipei City Government, Taiwan
• TCG (company), U.S. investment advisory firm
• Teleport Communications Group, defunct U.S. telephone company
• Theatre Communications Group, New York non-profit
• Thomas Cook Group, defunct travel agency and airline
• Tongan Crip Gang, street gang in North America and Australasia
• Trusted Computing Group, commercial consortium on technological protection measures
• Tunisian Combat Group, Islamist insurgents' network

Other uses

• Geocentric Coordinate Time (French: Temps-coordonnée géocentrique)
• Test call generator, in telecommunications
• TCG (album), 2007 album from The Cheetah Girls
• Trading card game, collectible form of game
• Türkiye Cumhuriyeti Gemisi, ship prefix for Ship of the Turkish Republic
• The genetic code for the amino acid Serine, according to the DNA codon table
• IATA code for Tacheng Airport, China
• Tiny Code Generator, interpreter/translator engine of QEMU

This disambiguation page lists articles associated with the title TCG.
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