ATDD
| Acronym | Definition |
|---|---|
| ATDD | Amnesia: The Dark Descent (video game) |
| ATDD | Ajman Tourism Development Department (United Arab Emirates) |
| ATDD | Atmospheric Turbulence and Diffusion Division |
| ATDD | Acceptance Test-Driven Development |
| ATDD | American Train Dispatchers Department (International Brotherhood of Locomotive Engineers and Trainmen) |
| ATDD | Adaptive Time Division Duplexing (LMDS) |
| ATDD | Automatic Telephone Disconnect Device |