TGM

TGM may refer to:

People

 * Tomáš Garrigue Masaryk (1850 – 1937), first President of Czechoslovakia
 * Gáspár Miklós Tamás (1948 – 2023; Tamás Gáspár Miklós), Hungarian philosopher

Organizations

 * Târgu Mureș International Airport, IATA airport code in Romania
 * Tellings-Golden Miller, UK bus company
 * Tunis-Goulette-Marsa, a railway line in Tunisia
 * The Games Machine, a former video game magazine
 * The Games Machine (Italy), another video game magazine that is still running

Other

 * Taipei Grand Mosque, a mosque in Taipei, Taiwan
 * TGM is the station code for Teignmouth railway station
 * Tetris: The Grand Master, a video game
 * Tom Pendlebury's TGM system, a System of measurement in Duodecimal
 * Top Gun: Maverick, a 2022 action drama film
 * Total gaseous mercury, a measurement of mercury concentration used in toxicology research
 * Transglutaminase, an enzyme