| Acronym | Definition |
|---|
| TNG | The Next Generation |
| TNG | Training |
| TNG | Tongue |
| TNG | Territory of New Guinea |
| TNG | The Newspaper Guild (Union) |
| TNG | The News Group (US and Canada) |
| TNG | Transitional National Government |
| TNG | The New Guy |
| TNG | Turbo Natural Gas |
| TNG | Telescopio Nazionale Galileo (national facility of the Italian astronomical community) |
| TNG | The Naked Gun (movie trilogy) |
| TNG | Thursday Night Group (various locations) |
| TNG | Trade Network Game |
| TNG | The New Gallery |
| TNG | Texas National Guard |
| TNG | Technikon Northern Gauteng (South Africa) |
| TNG | The Nailco Group |
| TNG | Trans National Group |
| TNG | Terminal Nerve Ganglion |
| TNG | Toxic Nodular Goiter (thyroid gland) |
| TNG | Tangier, Morocco - Boukhalef Souahel (Airport Code) |
| TNG | Training Network Group (UK) |
| TNG | Teilzeitnutzungsgesetz (German law) |
| TNG | Texaco Natural Gas |
| TNG | Triangle Networking Group |
| TNG | Transaction Name Group (IBM mainframes, workload management) |
| TNG | Trinitroglycerine |
| TNG | Trinitroglycerol |
| TNG | Touch n Go Flyball Team (Las Vegas, NV) |