TTAT
| Acronym | Definition |
|---|---|
| TTAT | Therapeutic Turnaround Time (diagnostic testing) |
| TTAT | Tinplate Trackers of Austin, Texas (train club) |
| TTAT | Torpedo Tube Acceptance Trial |
| TTAT | Tracy Technical Advisory Team (Tracy Fish Facility Improvement Program; California) |
| TTAT | TRADOC Training and Assessment Team |