TCG
TCG is an abbreviation for:
- Temps coordonné géocentrique (French ), see Geocentric Coordinate Time
- Trading card game, see Trading Card Game
- Trusted Computing Group, a US-based standard setting organization in the computer industry
- Türkiye Cumhuriyeti gemisi, Schiffsnamenspräfix for ships of the Turkish Navy, see Turkish Armed Forces # Navy
- Disambiguation
- Abbreviation