GATM
| Acronym | Definition |
|---|---|
| GATM | Global Air Traffic Management |
| GATM | L-Arginine:glycine Amidinotransferase |
| GATM | Gulf Air Traffic Management |
| GATM | Geography at the Movies (UK) |
| GATM | Ground/Air Training Missile (UK) |
| GATM | Genetic Algorithm Template-Matching (medical technology) |