TMX
| Acronym | Definition |
|---|---|
| TMX | Translation Memory eXchange |
| TMX | TrackMania Exchange (racing track website) |
| TMX | Transcoder Multiplexer |
| TMX | Trimix (mixture of oxygen, helium and nitrogen used by divers) |
| TMX | Tandem Mirror Experiment |
| TMX | Time Management System |
| TMX | X-Band Transmitter |
| TMX | Transparent Matrix (switch; Hekimian) |