| Acronym | Definition |
|---|
| TGM | The Games Machine (Italianvideogame review site) |
| TGM | Tetris the Grand Master (puzzle game) |
| TGM | Transglutaminase |
| TGM | Tirgu Mures, Romania - Tirgu Mures (Airport Code) |
| TGM | Tomas Garrigue Masaryk (first president of the Republic of Czechoslovakia) |
| TGM | Toggle God Mode |
| TGM | Transportadora de Gas del Mercosur (pipeline) |
| TGM | Territory General Manager |
| TGM | Total Gaseous Mercury |
| TGM | Toxic Gas Monitor |
| TGM | Turbine Generator Maintenance, Inc. (Cape Coral, FL) |
| TGM | Technisches Gebäude Management (German: Technical Building Management) |
| TGM | Trunk Group Multiplexer |
| TGM | Tables, Graphs and Maps |
| TGM | Telsiz Genel Müdürlügü |
| TGM | Thurgood Marshall Elementary School (Chula Vista, Ca) |
| TGM | Team Get Money (rap group) |
| TGM | Technologisches Gewerbe Museum (school for higher technical education in Vienna) |
| TGM | The Great Milenko |
| TGM | Training Guided Missile |
| TGM | Terminally Guided Munition |
| TGM | Transmission Group Module |
| TGM | Trenchcoat Gang Mafia |
| TGM | Tuckers Gap Meadows (Tennessee) |
| TGM | Tactical Group Multiplex |
| TGM | Technical Guidance Memorandum (PPBES process) |
| TGM | Television Guided Missile |